| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3 |
| ; RUN: opt -passes=irce -S -verify-loop-info -irce-skip-profitability-checks < %s 2>&1 | FileCheck %s |
| |
| define void @test_inc_eq(ptr nocapture %a, ptr nocapture readonly %b, ptr nocapture readonly %c, i32 %N) { |
| ; CHECK-LABEL: define void @test_inc_eq( |
| ; CHECK-SAME: ptr nocapture [[A:%.*]], ptr nocapture readonly [[B:%.*]], ptr nocapture readonly [[C:%.*]], i32 [[N:%.*]]) { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CMP16:%.*]] = icmp sgt i32 [[N]], 0 |
| ; CHECK-NEXT: br i1 [[CMP16]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]] |
| ; CHECK: for.body.preheader: |
| ; CHECK-NEXT: [[EXIT_MAINLOOP_AT:%.*]] = call i32 @llvm.umin.i32(i32 [[N]], i32 512) |
| ; CHECK-NEXT: [[TMP0:%.*]] = icmp ult i32 0, [[EXIT_MAINLOOP_AT]] |
| ; CHECK-NEXT: br i1 [[TMP0]], label [[FOR_BODY_PREHEADER1:%.*]], label [[MAIN_PSEUDO_EXIT:%.*]] |
| ; CHECK: for.body.preheader1: |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.cond.cleanup.loopexit.loopexit: |
| ; CHECK-NEXT: br label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]] |
| ; CHECK: for.cond.cleanup.loopexit: |
| ; CHECK-NEXT: br label [[FOR_COND_CLEANUP]] |
| ; CHECK: for.cond.cleanup: |
| ; CHECK-NEXT: ret void |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[I_017:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_INC:%.*]] ], [ 0, [[FOR_BODY_PREHEADER1]] ] |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[I_017]], 512 |
| ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[I_017]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr [[ARRAYIDX]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, ptr [[C]], i32 [[I_017]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr [[ARRAYIDX2]], align 4 |
| ; CHECK-NEXT: br i1 true, label [[IF_THEN:%.*]], label [[IF_ELSE:%.*]] |
| ; CHECK: if.then: |
| ; CHECK-NEXT: [[SUB:%.*]] = sub i32 [[TMP1]], [[TMP2]] |
| ; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[I_017]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = load i32, ptr [[ARRAYIDX3]], align 4 |
| ; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[SUB]], [[TMP3]] |
| ; CHECK-NEXT: store i32 [[ADD]], ptr [[ARRAYIDX3]], align 4 |
| ; CHECK-NEXT: br label [[FOR_INC]] |
| ; CHECK: if.else: |
| ; CHECK-NEXT: [[ADD6:%.*]] = add nsw i32 [[TMP2]], [[TMP1]] |
| ; CHECK-NEXT: [[ARRAYIDX7:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[I_017]] |
| ; CHECK-NEXT: store i32 [[ADD6]], ptr [[ARRAYIDX7]], align 4 |
| ; CHECK-NEXT: br label [[FOR_INC]] |
| ; CHECK: for.inc: |
| ; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_017]], 1 |
| ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[N]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = icmp ult i32 [[INC]], [[EXIT_MAINLOOP_AT]] |
| ; CHECK-NEXT: [[TMP5:%.*]] = xor i1 [[TMP4]], true |
| ; CHECK-NEXT: br i1 [[TMP5]], label [[MAIN_EXIT_SELECTOR:%.*]], label [[FOR_BODY]] |
| ; CHECK: main.exit.selector: |
| ; CHECK-NEXT: [[INC_LCSSA:%.*]] = phi i32 [ [[INC]], [[FOR_INC]] ] |
| ; CHECK-NEXT: [[TMP6:%.*]] = icmp ult i32 [[INC_LCSSA]], [[N]] |
| ; CHECK-NEXT: br i1 [[TMP6]], label [[MAIN_PSEUDO_EXIT]], label [[FOR_COND_CLEANUP_LOOPEXIT]] |
| ; CHECK: main.pseudo.exit: |
| ; CHECK-NEXT: [[I_017_COPY:%.*]] = phi i32 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[INC_LCSSA]], [[MAIN_EXIT_SELECTOR]] ] |
| ; CHECK-NEXT: [[INDVAR_END:%.*]] = phi i32 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[INC_LCSSA]], [[MAIN_EXIT_SELECTOR]] ] |
| ; CHECK-NEXT: br label [[POSTLOOP:%.*]] |
| ; CHECK: postloop: |
| ; CHECK-NEXT: br label [[FOR_BODY_POSTLOOP:%.*]] |
| ; CHECK: for.body.postloop: |
| ; CHECK-NEXT: [[I_017_POSTLOOP:%.*]] = phi i32 [ [[INC_POSTLOOP:%.*]], [[FOR_INC_POSTLOOP:%.*]] ], [ [[I_017_COPY]], [[POSTLOOP]] ] |
| ; CHECK-NEXT: [[CMP1_POSTLOOP:%.*]] = icmp ult i32 [[I_017_POSTLOOP]], 512 |
| ; CHECK-NEXT: [[ARRAYIDX_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[I_017_POSTLOOP]] |
| ; CHECK-NEXT: [[TMP7:%.*]] = load i32, ptr [[ARRAYIDX_POSTLOOP]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX2_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[C]], i32 [[I_017_POSTLOOP]] |
| ; CHECK-NEXT: [[TMP8:%.*]] = load i32, ptr [[ARRAYIDX2_POSTLOOP]], align 4 |
| ; CHECK-NEXT: br i1 [[CMP1_POSTLOOP]], label [[IF_THEN_POSTLOOP:%.*]], label [[IF_ELSE_POSTLOOP:%.*]] |
| ; CHECK: if.else.postloop: |
| ; CHECK-NEXT: [[ADD6_POSTLOOP:%.*]] = add nsw i32 [[TMP8]], [[TMP7]] |
| ; CHECK-NEXT: [[ARRAYIDX7_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[I_017_POSTLOOP]] |
| ; CHECK-NEXT: store i32 [[ADD6_POSTLOOP]], ptr [[ARRAYIDX7_POSTLOOP]], align 4 |
| ; CHECK-NEXT: br label [[FOR_INC_POSTLOOP]] |
| ; CHECK: if.then.postloop: |
| ; CHECK-NEXT: [[SUB_POSTLOOP:%.*]] = sub i32 [[TMP7]], [[TMP8]] |
| ; CHECK-NEXT: [[ARRAYIDX3_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[I_017_POSTLOOP]] |
| ; CHECK-NEXT: [[TMP9:%.*]] = load i32, ptr [[ARRAYIDX3_POSTLOOP]], align 4 |
| ; CHECK-NEXT: [[ADD_POSTLOOP:%.*]] = add nsw i32 [[SUB_POSTLOOP]], [[TMP9]] |
| ; CHECK-NEXT: store i32 [[ADD_POSTLOOP]], ptr [[ARRAYIDX3_POSTLOOP]], align 4 |
| ; CHECK-NEXT: br label [[FOR_INC_POSTLOOP]] |
| ; CHECK: for.inc.postloop: |
| ; CHECK-NEXT: [[INC_POSTLOOP]] = add nuw nsw i32 [[I_017_POSTLOOP]], 1 |
| ; CHECK-NEXT: [[EXITCOND_POSTLOOP:%.*]] = icmp eq i32 [[INC_POSTLOOP]], [[N]] |
| ; CHECK-NEXT: br i1 [[EXITCOND_POSTLOOP]], label [[FOR_COND_CLEANUP_LOOPEXIT_LOOPEXIT:%.*]], label [[FOR_BODY_POSTLOOP]], !llvm.loop [[LOOP0:![0-9]+]], !loop_constrainer.loop.clone !5 |
| ; |
| entry: |
| %cmp16 = icmp sgt i32 %N, 0 |
| br i1 %cmp16, label %for.body, label %for.cond.cleanup |
| |
| for.cond.cleanup: |
| ret void |
| |
| for.body: |
| %i.017 = phi i32 [ %inc, %for.inc ], [ 0, %entry ] |
| %cmp1 = icmp ult i32 %i.017, 512 |
| %arrayidx = getelementptr inbounds i32, ptr %b, i32 %i.017 |
| %0 = load i32, ptr %arrayidx, align 4 |
| %arrayidx2 = getelementptr inbounds i32, ptr %c, i32 %i.017 |
| %1 = load i32, ptr %arrayidx2, align 4 |
| br i1 %cmp1, label %if.then, label %if.else |
| |
| if.then: |
| %sub = sub i32 %0, %1 |
| %arrayidx3 = getelementptr inbounds i32, ptr %a, i32 %i.017 |
| %2 = load i32, ptr %arrayidx3, align 4 |
| %add = add nsw i32 %sub, %2 |
| store i32 %add, ptr %arrayidx3, align 4 |
| br label %for.inc |
| |
| if.else: |
| %add6 = add nsw i32 %1, %0 |
| %arrayidx7 = getelementptr inbounds i32, ptr %a, i32 %i.017 |
| store i32 %add6, ptr %arrayidx7, align 4 |
| br label %for.inc |
| |
| for.inc: |
| %inc = add nuw nsw i32 %i.017, 1 |
| %exitcond = icmp eq i32 %inc, %N |
| br i1 %exitcond, label %for.cond.cleanup, label %for.body |
| } |
| |
| define void @test_inc_ne(ptr nocapture %a, ptr nocapture readonly %b, ptr nocapture readonly %c, i32 %N) { |
| ; CHECK-LABEL: define void @test_inc_ne( |
| ; CHECK-SAME: ptr nocapture [[A:%.*]], ptr nocapture readonly [[B:%.*]], ptr nocapture readonly [[C:%.*]], i32 [[N:%.*]]) { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CMP16:%.*]] = icmp sgt i32 [[N]], 0 |
| ; CHECK-NEXT: br i1 [[CMP16]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]] |
| ; CHECK: for.body.preheader: |
| ; CHECK-NEXT: [[EXIT_MAINLOOP_AT:%.*]] = call i32 @llvm.umin.i32(i32 [[N]], i32 512) |
| ; CHECK-NEXT: [[TMP0:%.*]] = icmp ult i32 0, [[EXIT_MAINLOOP_AT]] |
| ; CHECK-NEXT: br i1 [[TMP0]], label [[FOR_BODY_PREHEADER1:%.*]], label [[MAIN_PSEUDO_EXIT:%.*]] |
| ; CHECK: for.body.preheader1: |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.cond.cleanup.loopexit.loopexit: |
| ; CHECK-NEXT: br label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]] |
| ; CHECK: for.cond.cleanup.loopexit: |
| ; CHECK-NEXT: br label [[FOR_COND_CLEANUP]] |
| ; CHECK: for.cond.cleanup: |
| ; CHECK-NEXT: ret void |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[I_017:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_INC:%.*]] ], [ 0, [[FOR_BODY_PREHEADER1]] ] |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[I_017]], 512 |
| ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[I_017]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr [[ARRAYIDX]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, ptr [[C]], i32 [[I_017]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr [[ARRAYIDX2]], align 4 |
| ; CHECK-NEXT: br i1 true, label [[IF_THEN:%.*]], label [[IF_ELSE:%.*]] |
| ; CHECK: if.then: |
| ; CHECK-NEXT: [[SUB:%.*]] = sub i32 [[TMP1]], [[TMP2]] |
| ; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[I_017]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = load i32, ptr [[ARRAYIDX3]], align 4 |
| ; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[SUB]], [[TMP3]] |
| ; CHECK-NEXT: store i32 [[ADD]], ptr [[ARRAYIDX3]], align 4 |
| ; CHECK-NEXT: br label [[FOR_INC]] |
| ; CHECK: if.else: |
| ; CHECK-NEXT: [[ADD6:%.*]] = add nsw i32 [[TMP2]], [[TMP1]] |
| ; CHECK-NEXT: [[ARRAYIDX7:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[I_017]] |
| ; CHECK-NEXT: store i32 [[ADD6]], ptr [[ARRAYIDX7]], align 4 |
| ; CHECK-NEXT: br label [[FOR_INC]] |
| ; CHECK: for.inc: |
| ; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_017]], 1 |
| ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp ne i32 [[INC]], [[N]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = icmp ult i32 [[INC]], [[EXIT_MAINLOOP_AT]] |
| ; CHECK-NEXT: br i1 [[TMP4]], label [[FOR_BODY]], label [[MAIN_EXIT_SELECTOR:%.*]] |
| ; CHECK: main.exit.selector: |
| ; CHECK-NEXT: [[INC_LCSSA:%.*]] = phi i32 [ [[INC]], [[FOR_INC]] ] |
| ; CHECK-NEXT: [[TMP5:%.*]] = icmp ult i32 [[INC_LCSSA]], [[N]] |
| ; CHECK-NEXT: br i1 [[TMP5]], label [[MAIN_PSEUDO_EXIT]], label [[FOR_COND_CLEANUP_LOOPEXIT]] |
| ; CHECK: main.pseudo.exit: |
| ; CHECK-NEXT: [[I_017_COPY:%.*]] = phi i32 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[INC_LCSSA]], [[MAIN_EXIT_SELECTOR]] ] |
| ; CHECK-NEXT: [[INDVAR_END:%.*]] = phi i32 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[INC_LCSSA]], [[MAIN_EXIT_SELECTOR]] ] |
| ; CHECK-NEXT: br label [[POSTLOOP:%.*]] |
| ; CHECK: postloop: |
| ; CHECK-NEXT: br label [[FOR_BODY_POSTLOOP:%.*]] |
| ; CHECK: for.body.postloop: |
| ; CHECK-NEXT: [[I_017_POSTLOOP:%.*]] = phi i32 [ [[INC_POSTLOOP:%.*]], [[FOR_INC_POSTLOOP:%.*]] ], [ [[I_017_COPY]], [[POSTLOOP]] ] |
| ; CHECK-NEXT: [[CMP1_POSTLOOP:%.*]] = icmp ult i32 [[I_017_POSTLOOP]], 512 |
| ; CHECK-NEXT: [[ARRAYIDX_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[I_017_POSTLOOP]] |
| ; CHECK-NEXT: [[TMP6:%.*]] = load i32, ptr [[ARRAYIDX_POSTLOOP]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX2_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[C]], i32 [[I_017_POSTLOOP]] |
| ; CHECK-NEXT: [[TMP7:%.*]] = load i32, ptr [[ARRAYIDX2_POSTLOOP]], align 4 |
| ; CHECK-NEXT: br i1 [[CMP1_POSTLOOP]], label [[IF_THEN_POSTLOOP:%.*]], label [[IF_ELSE_POSTLOOP:%.*]] |
| ; CHECK: if.else.postloop: |
| ; CHECK-NEXT: [[ADD6_POSTLOOP:%.*]] = add nsw i32 [[TMP7]], [[TMP6]] |
| ; CHECK-NEXT: [[ARRAYIDX7_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[I_017_POSTLOOP]] |
| ; CHECK-NEXT: store i32 [[ADD6_POSTLOOP]], ptr [[ARRAYIDX7_POSTLOOP]], align 4 |
| ; CHECK-NEXT: br label [[FOR_INC_POSTLOOP]] |
| ; CHECK: if.then.postloop: |
| ; CHECK-NEXT: [[SUB_POSTLOOP:%.*]] = sub i32 [[TMP6]], [[TMP7]] |
| ; CHECK-NEXT: [[ARRAYIDX3_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[I_017_POSTLOOP]] |
| ; CHECK-NEXT: [[TMP8:%.*]] = load i32, ptr [[ARRAYIDX3_POSTLOOP]], align 4 |
| ; CHECK-NEXT: [[ADD_POSTLOOP:%.*]] = add nsw i32 [[SUB_POSTLOOP]], [[TMP8]] |
| ; CHECK-NEXT: store i32 [[ADD_POSTLOOP]], ptr [[ARRAYIDX3_POSTLOOP]], align 4 |
| ; CHECK-NEXT: br label [[FOR_INC_POSTLOOP]] |
| ; CHECK: for.inc.postloop: |
| ; CHECK-NEXT: [[INC_POSTLOOP]] = add nuw nsw i32 [[I_017_POSTLOOP]], 1 |
| ; CHECK-NEXT: [[EXITCOND_POSTLOOP:%.*]] = icmp ne i32 [[INC_POSTLOOP]], [[N]] |
| ; CHECK-NEXT: br i1 [[EXITCOND_POSTLOOP]], label [[FOR_BODY_POSTLOOP]], label [[FOR_COND_CLEANUP_LOOPEXIT_LOOPEXIT:%.*]], !llvm.loop [[LOOP6:![0-9]+]], !loop_constrainer.loop.clone !5 |
| ; |
| entry: |
| %cmp16 = icmp sgt i32 %N, 0 |
| br i1 %cmp16, label %for.body, label %for.cond.cleanup |
| |
| for.cond.cleanup: |
| ret void |
| |
| for.body: |
| %i.017 = phi i32 [ %inc, %for.inc ], [ 0, %entry ] |
| %cmp1 = icmp ult i32 %i.017, 512 |
| %arrayidx = getelementptr inbounds i32, ptr %b, i32 %i.017 |
| %0 = load i32, ptr %arrayidx, align 4 |
| %arrayidx2 = getelementptr inbounds i32, ptr %c, i32 %i.017 |
| %1 = load i32, ptr %arrayidx2, align 4 |
| br i1 %cmp1, label %if.then, label %if.else |
| |
| if.then: |
| %sub = sub i32 %0, %1 |
| %arrayidx3 = getelementptr inbounds i32, ptr %a, i32 %i.017 |
| %2 = load i32, ptr %arrayidx3, align 4 |
| %add = add nsw i32 %sub, %2 |
| store i32 %add, ptr %arrayidx3, align 4 |
| br label %for.inc |
| |
| if.else: |
| %add6 = add nsw i32 %1, %0 |
| %arrayidx7 = getelementptr inbounds i32, ptr %a, i32 %i.017 |
| store i32 %add6, ptr %arrayidx7, align 4 |
| br label %for.inc |
| |
| for.inc: |
| %inc = add nuw nsw i32 %i.017, 1 |
| %exitcond = icmp ne i32 %inc, %N |
| br i1 %exitcond, label %for.body, label %for.cond.cleanup |
| } |
| |
| define void @test_inc_slt(ptr nocapture %a, ptr nocapture readonly %b, ptr nocapture readonly %c, i32 %N) { |
| ; CHECK-LABEL: define void @test_inc_slt( |
| ; CHECK-SAME: ptr nocapture [[A:%.*]], ptr nocapture readonly [[B:%.*]], ptr nocapture readonly [[C:%.*]], i32 [[N:%.*]]) { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CMP16:%.*]] = icmp sgt i32 [[N]], 0 |
| ; CHECK-NEXT: br i1 [[CMP16]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]] |
| ; CHECK: for.body.preheader: |
| ; CHECK-NEXT: [[SMIN:%.*]] = call i32 @llvm.smin.i32(i32 [[N]], i32 512) |
| ; CHECK-NEXT: [[EXIT_MAINLOOP_AT:%.*]] = call i32 @llvm.smax.i32(i32 [[SMIN]], i32 0) |
| ; CHECK-NEXT: [[TMP0:%.*]] = icmp slt i32 0, [[EXIT_MAINLOOP_AT]] |
| ; CHECK-NEXT: br i1 [[TMP0]], label [[FOR_BODY_PREHEADER1:%.*]], label [[MAIN_PSEUDO_EXIT:%.*]] |
| ; CHECK: for.body.preheader1: |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.cond.cleanup.loopexit.loopexit: |
| ; CHECK-NEXT: br label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]] |
| ; CHECK: for.cond.cleanup.loopexit: |
| ; CHECK-NEXT: br label [[FOR_COND_CLEANUP]] |
| ; CHECK: for.cond.cleanup: |
| ; CHECK-NEXT: ret void |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[I_017:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_INC:%.*]] ], [ 0, [[FOR_BODY_PREHEADER1]] ] |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[I_017]], 512 |
| ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[I_017]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr [[ARRAYIDX]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, ptr [[C]], i32 [[I_017]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr [[ARRAYIDX2]], align 4 |
| ; CHECK-NEXT: br i1 true, label [[IF_THEN:%.*]], label [[IF_ELSE:%.*]] |
| ; CHECK: if.then: |
| ; CHECK-NEXT: [[SUB:%.*]] = sub i32 [[TMP1]], [[TMP2]] |
| ; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[I_017]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = load i32, ptr [[ARRAYIDX3]], align 4 |
| ; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[SUB]], [[TMP3]] |
| ; CHECK-NEXT: store i32 [[ADD]], ptr [[ARRAYIDX3]], align 4 |
| ; CHECK-NEXT: br label [[FOR_INC]] |
| ; CHECK: if.else: |
| ; CHECK-NEXT: [[ADD6:%.*]] = add nsw i32 [[TMP2]], [[TMP1]] |
| ; CHECK-NEXT: [[ARRAYIDX7:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[I_017]] |
| ; CHECK-NEXT: store i32 [[ADD6]], ptr [[ARRAYIDX7]], align 4 |
| ; CHECK-NEXT: br label [[FOR_INC]] |
| ; CHECK: for.inc: |
| ; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_017]], 1 |
| ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp slt i32 [[INC]], [[N]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = icmp slt i32 [[INC]], [[EXIT_MAINLOOP_AT]] |
| ; CHECK-NEXT: br i1 [[TMP4]], label [[FOR_BODY]], label [[MAIN_EXIT_SELECTOR:%.*]] |
| ; CHECK: main.exit.selector: |
| ; CHECK-NEXT: [[INC_LCSSA:%.*]] = phi i32 [ [[INC]], [[FOR_INC]] ] |
| ; CHECK-NEXT: [[TMP5:%.*]] = icmp slt i32 [[INC_LCSSA]], [[N]] |
| ; CHECK-NEXT: br i1 [[TMP5]], label [[MAIN_PSEUDO_EXIT]], label [[FOR_COND_CLEANUP_LOOPEXIT]] |
| ; CHECK: main.pseudo.exit: |
| ; CHECK-NEXT: [[I_017_COPY:%.*]] = phi i32 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[INC_LCSSA]], [[MAIN_EXIT_SELECTOR]] ] |
| ; CHECK-NEXT: [[INDVAR_END:%.*]] = phi i32 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[INC_LCSSA]], [[MAIN_EXIT_SELECTOR]] ] |
| ; CHECK-NEXT: br label [[POSTLOOP:%.*]] |
| ; CHECK: postloop: |
| ; CHECK-NEXT: br label [[FOR_BODY_POSTLOOP:%.*]] |
| ; CHECK: for.body.postloop: |
| ; CHECK-NEXT: [[I_017_POSTLOOP:%.*]] = phi i32 [ [[INC_POSTLOOP:%.*]], [[FOR_INC_POSTLOOP:%.*]] ], [ [[I_017_COPY]], [[POSTLOOP]] ] |
| ; CHECK-NEXT: [[CMP1_POSTLOOP:%.*]] = icmp ult i32 [[I_017_POSTLOOP]], 512 |
| ; CHECK-NEXT: [[ARRAYIDX_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[I_017_POSTLOOP]] |
| ; CHECK-NEXT: [[TMP6:%.*]] = load i32, ptr [[ARRAYIDX_POSTLOOP]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX2_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[C]], i32 [[I_017_POSTLOOP]] |
| ; CHECK-NEXT: [[TMP7:%.*]] = load i32, ptr [[ARRAYIDX2_POSTLOOP]], align 4 |
| ; CHECK-NEXT: br i1 [[CMP1_POSTLOOP]], label [[IF_THEN_POSTLOOP:%.*]], label [[IF_ELSE_POSTLOOP:%.*]] |
| ; CHECK: if.else.postloop: |
| ; CHECK-NEXT: [[ADD6_POSTLOOP:%.*]] = add nsw i32 [[TMP7]], [[TMP6]] |
| ; CHECK-NEXT: [[ARRAYIDX7_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[I_017_POSTLOOP]] |
| ; CHECK-NEXT: store i32 [[ADD6_POSTLOOP]], ptr [[ARRAYIDX7_POSTLOOP]], align 4 |
| ; CHECK-NEXT: br label [[FOR_INC_POSTLOOP]] |
| ; CHECK: if.then.postloop: |
| ; CHECK-NEXT: [[SUB_POSTLOOP:%.*]] = sub i32 [[TMP6]], [[TMP7]] |
| ; CHECK-NEXT: [[ARRAYIDX3_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[I_017_POSTLOOP]] |
| ; CHECK-NEXT: [[TMP8:%.*]] = load i32, ptr [[ARRAYIDX3_POSTLOOP]], align 4 |
| ; CHECK-NEXT: [[ADD_POSTLOOP:%.*]] = add nsw i32 [[SUB_POSTLOOP]], [[TMP8]] |
| ; CHECK-NEXT: store i32 [[ADD_POSTLOOP]], ptr [[ARRAYIDX3_POSTLOOP]], align 4 |
| ; CHECK-NEXT: br label [[FOR_INC_POSTLOOP]] |
| ; CHECK: for.inc.postloop: |
| ; CHECK-NEXT: [[INC_POSTLOOP]] = add nuw nsw i32 [[I_017_POSTLOOP]], 1 |
| ; CHECK-NEXT: [[EXITCOND_POSTLOOP:%.*]] = icmp slt i32 [[INC_POSTLOOP]], [[N]] |
| ; CHECK-NEXT: br i1 [[EXITCOND_POSTLOOP]], label [[FOR_BODY_POSTLOOP]], label [[FOR_COND_CLEANUP_LOOPEXIT_LOOPEXIT:%.*]], !llvm.loop [[LOOP7:![0-9]+]], !loop_constrainer.loop.clone !5 |
| ; |
| entry: |
| %cmp16 = icmp sgt i32 %N, 0 |
| br i1 %cmp16, label %for.body, label %for.cond.cleanup |
| |
| for.cond.cleanup: |
| ret void |
| |
| for.body: |
| %i.017 = phi i32 [ %inc, %for.inc ], [ 0, %entry ] |
| %cmp1 = icmp ult i32 %i.017, 512 |
| %arrayidx = getelementptr inbounds i32, ptr %b, i32 %i.017 |
| %0 = load i32, ptr %arrayidx, align 4 |
| %arrayidx2 = getelementptr inbounds i32, ptr %c, i32 %i.017 |
| %1 = load i32, ptr %arrayidx2, align 4 |
| br i1 %cmp1, label %if.then, label %if.else |
| |
| if.then: |
| %sub = sub i32 %0, %1 |
| %arrayidx3 = getelementptr inbounds i32, ptr %a, i32 %i.017 |
| %2 = load i32, ptr %arrayidx3, align 4 |
| %add = add nsw i32 %sub, %2 |
| store i32 %add, ptr %arrayidx3, align 4 |
| br label %for.inc |
| |
| if.else: |
| %add6 = add nsw i32 %1, %0 |
| %arrayidx7 = getelementptr inbounds i32, ptr %a, i32 %i.017 |
| store i32 %add6, ptr %arrayidx7, align 4 |
| br label %for.inc |
| |
| for.inc: |
| %inc = add nuw nsw i32 %i.017, 1 |
| %exitcond = icmp slt i32 %inc, %N |
| br i1 %exitcond, label %for.body, label %for.cond.cleanup |
| } |
| |
| define void @test_inc_ult(ptr nocapture %a, ptr nocapture readonly %b, ptr nocapture readonly %c, i32 %N) { |
| ; CHECK-LABEL: define void @test_inc_ult( |
| ; CHECK-SAME: ptr nocapture [[A:%.*]], ptr nocapture readonly [[B:%.*]], ptr nocapture readonly [[C:%.*]], i32 [[N:%.*]]) { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CMP16:%.*]] = icmp ugt i32 [[N]], 0 |
| ; CHECK-NEXT: br i1 [[CMP16]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]] |
| ; CHECK: for.body.preheader: |
| ; CHECK-NEXT: [[EXIT_MAINLOOP_AT:%.*]] = call i32 @llvm.umin.i32(i32 [[N]], i32 512) |
| ; CHECK-NEXT: [[TMP0:%.*]] = icmp ult i32 0, [[EXIT_MAINLOOP_AT]] |
| ; CHECK-NEXT: br i1 [[TMP0]], label [[FOR_BODY_PREHEADER1:%.*]], label [[MAIN_PSEUDO_EXIT:%.*]] |
| ; CHECK: for.body.preheader1: |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.cond.cleanup.loopexit.loopexit: |
| ; CHECK-NEXT: br label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]] |
| ; CHECK: for.cond.cleanup.loopexit: |
| ; CHECK-NEXT: br label [[FOR_COND_CLEANUP]] |
| ; CHECK: for.cond.cleanup: |
| ; CHECK-NEXT: ret void |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[I_017:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_INC:%.*]] ], [ 0, [[FOR_BODY_PREHEADER1]] ] |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ult i32 [[I_017]], 512 |
| ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[I_017]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr [[ARRAYIDX]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, ptr [[C]], i32 [[I_017]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr [[ARRAYIDX2]], align 4 |
| ; CHECK-NEXT: br i1 true, label [[IF_THEN:%.*]], label [[IF_ELSE:%.*]] |
| ; CHECK: if.then: |
| ; CHECK-NEXT: [[SUB:%.*]] = sub i32 [[TMP1]], [[TMP2]] |
| ; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[I_017]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = load i32, ptr [[ARRAYIDX3]], align 4 |
| ; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[SUB]], [[TMP3]] |
| ; CHECK-NEXT: store i32 [[ADD]], ptr [[ARRAYIDX3]], align 4 |
| ; CHECK-NEXT: br label [[FOR_INC]] |
| ; CHECK: if.else: |
| ; CHECK-NEXT: [[ADD6:%.*]] = add nsw i32 [[TMP2]], [[TMP1]] |
| ; CHECK-NEXT: [[ARRAYIDX7:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[I_017]] |
| ; CHECK-NEXT: store i32 [[ADD6]], ptr [[ARRAYIDX7]], align 4 |
| ; CHECK-NEXT: br label [[FOR_INC]] |
| ; CHECK: for.inc: |
| ; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_017]], 1 |
| ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp ult i32 [[INC]], [[N]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = icmp ult i32 [[INC]], [[EXIT_MAINLOOP_AT]] |
| ; CHECK-NEXT: br i1 [[TMP4]], label [[FOR_BODY]], label [[MAIN_EXIT_SELECTOR:%.*]] |
| ; CHECK: main.exit.selector: |
| ; CHECK-NEXT: [[INC_LCSSA:%.*]] = phi i32 [ [[INC]], [[FOR_INC]] ] |
| ; CHECK-NEXT: [[TMP5:%.*]] = icmp ult i32 [[INC_LCSSA]], [[N]] |
| ; CHECK-NEXT: br i1 [[TMP5]], label [[MAIN_PSEUDO_EXIT]], label [[FOR_COND_CLEANUP_LOOPEXIT]] |
| ; CHECK: main.pseudo.exit: |
| ; CHECK-NEXT: [[I_017_COPY:%.*]] = phi i32 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[INC_LCSSA]], [[MAIN_EXIT_SELECTOR]] ] |
| ; CHECK-NEXT: [[INDVAR_END:%.*]] = phi i32 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[INC_LCSSA]], [[MAIN_EXIT_SELECTOR]] ] |
| ; CHECK-NEXT: br label [[POSTLOOP:%.*]] |
| ; CHECK: postloop: |
| ; CHECK-NEXT: br label [[FOR_BODY_POSTLOOP:%.*]] |
| ; CHECK: for.body.postloop: |
| ; CHECK-NEXT: [[I_017_POSTLOOP:%.*]] = phi i32 [ [[INC_POSTLOOP:%.*]], [[FOR_INC_POSTLOOP:%.*]] ], [ [[I_017_COPY]], [[POSTLOOP]] ] |
| ; CHECK-NEXT: [[CMP1_POSTLOOP:%.*]] = icmp ult i32 [[I_017_POSTLOOP]], 512 |
| ; CHECK-NEXT: [[ARRAYIDX_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[I_017_POSTLOOP]] |
| ; CHECK-NEXT: [[TMP6:%.*]] = load i32, ptr [[ARRAYIDX_POSTLOOP]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX2_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[C]], i32 [[I_017_POSTLOOP]] |
| ; CHECK-NEXT: [[TMP7:%.*]] = load i32, ptr [[ARRAYIDX2_POSTLOOP]], align 4 |
| ; CHECK-NEXT: br i1 [[CMP1_POSTLOOP]], label [[IF_THEN_POSTLOOP:%.*]], label [[IF_ELSE_POSTLOOP:%.*]] |
| ; CHECK: if.else.postloop: |
| ; CHECK-NEXT: [[ADD6_POSTLOOP:%.*]] = add nsw i32 [[TMP7]], [[TMP6]] |
| ; CHECK-NEXT: [[ARRAYIDX7_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[I_017_POSTLOOP]] |
| ; CHECK-NEXT: store i32 [[ADD6_POSTLOOP]], ptr [[ARRAYIDX7_POSTLOOP]], align 4 |
| ; CHECK-NEXT: br label [[FOR_INC_POSTLOOP]] |
| ; CHECK: if.then.postloop: |
| ; CHECK-NEXT: [[SUB_POSTLOOP:%.*]] = sub i32 [[TMP6]], [[TMP7]] |
| ; CHECK-NEXT: [[ARRAYIDX3_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[I_017_POSTLOOP]] |
| ; CHECK-NEXT: [[TMP8:%.*]] = load i32, ptr [[ARRAYIDX3_POSTLOOP]], align 4 |
| ; CHECK-NEXT: [[ADD_POSTLOOP:%.*]] = add nsw i32 [[SUB_POSTLOOP]], [[TMP8]] |
| ; CHECK-NEXT: store i32 [[ADD_POSTLOOP]], ptr [[ARRAYIDX3_POSTLOOP]], align 4 |
| ; CHECK-NEXT: br label [[FOR_INC_POSTLOOP]] |
| ; CHECK: for.inc.postloop: |
| ; CHECK-NEXT: [[INC_POSTLOOP]] = add nuw nsw i32 [[I_017_POSTLOOP]], 1 |
| ; CHECK-NEXT: [[EXITCOND_POSTLOOP:%.*]] = icmp ult i32 [[INC_POSTLOOP]], [[N]] |
| ; CHECK-NEXT: br i1 [[EXITCOND_POSTLOOP]], label [[FOR_BODY_POSTLOOP]], label [[FOR_COND_CLEANUP_LOOPEXIT_LOOPEXIT:%.*]], !llvm.loop [[LOOP8:![0-9]+]], !loop_constrainer.loop.clone !5 |
| ; |
| entry: |
| %cmp16 = icmp ugt i32 %N, 0 |
| br i1 %cmp16, label %for.body, label %for.cond.cleanup |
| |
| for.cond.cleanup: |
| ret void |
| |
| for.body: |
| %i.017 = phi i32 [ %inc, %for.inc ], [ 0, %entry ] |
| %cmp1 = icmp ult i32 %i.017, 512 |
| %arrayidx = getelementptr inbounds i32, ptr %b, i32 %i.017 |
| %0 = load i32, ptr %arrayidx, align 4 |
| %arrayidx2 = getelementptr inbounds i32, ptr %c, i32 %i.017 |
| %1 = load i32, ptr %arrayidx2, align 4 |
| br i1 %cmp1, label %if.then, label %if.else |
| |
| if.then: |
| %sub = sub i32 %0, %1 |
| %arrayidx3 = getelementptr inbounds i32, ptr %a, i32 %i.017 |
| %2 = load i32, ptr %arrayidx3, align 4 |
| %add = add nsw i32 %sub, %2 |
| store i32 %add, ptr %arrayidx3, align 4 |
| br label %for.inc |
| |
| if.else: |
| %add6 = add nsw i32 %1, %0 |
| %arrayidx7 = getelementptr inbounds i32, ptr %a, i32 %i.017 |
| store i32 %add6, ptr %arrayidx7, align 4 |
| br label %for.inc |
| |
| for.inc: |
| %inc = add nuw nsw i32 %i.017, 1 |
| %exitcond = icmp ult i32 %inc, %N |
| br i1 %exitcond, label %for.body, label %for.cond.cleanup |
| } |
| |
| define void @signed_var_imm_dec_sgt(ptr nocapture %a, ptr nocapture readonly %b, ptr nocapture readonly %c, i32 %M) { |
| ; CHECK-LABEL: define void @signed_var_imm_dec_sgt( |
| ; CHECK-SAME: ptr nocapture [[A:%.*]], ptr nocapture readonly [[B:%.*]], ptr nocapture readonly [[C:%.*]], i32 [[M:%.*]]) { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CMP14:%.*]] = icmp slt i32 [[M]], 1024 |
| ; CHECK-NEXT: br i1 [[CMP14]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]] |
| ; CHECK: for.body.preheader: |
| ; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[M]], 1 |
| ; CHECK-NEXT: [[SMAX:%.*]] = call i32 @llvm.smax.i32(i32 [[TMP0]], i32 1024) |
| ; CHECK-NEXT: [[EXIT_PRELOOP_AT:%.*]] = add nsw i32 [[SMAX]], -1 |
| ; CHECK-NEXT: [[SMAX1:%.*]] = call i32 @llvm.smax.i32(i32 [[TMP0]], i32 0) |
| ; CHECK-NEXT: [[EXIT_MAINLOOP_AT:%.*]] = add nsw i32 [[SMAX1]], -1 |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt i32 1024, [[EXIT_PRELOOP_AT]] |
| ; CHECK-NEXT: br i1 [[TMP1]], label [[FOR_BODY_PRELOOP_PREHEADER:%.*]], label [[PRELOOP_PSEUDO_EXIT:%.*]] |
| ; CHECK: for.body.preloop.preheader: |
| ; CHECK-NEXT: br label [[FOR_BODY_PRELOOP:%.*]] |
| ; CHECK: for.cond.cleanup.loopexit.loopexit: |
| ; CHECK-NEXT: br label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]] |
| ; CHECK: for.cond.cleanup.loopexit: |
| ; CHECK-NEXT: br label [[FOR_COND_CLEANUP]] |
| ; CHECK: for.cond.cleanup: |
| ; CHECK-NEXT: ret void |
| ; CHECK: mainloop: |
| ; CHECK-NEXT: [[TMP2:%.*]] = icmp sgt i32 [[INDVAR_END:%.*]], [[EXIT_MAINLOOP_AT]] |
| ; CHECK-NEXT: br i1 [[TMP2]], label [[FOR_BODY_PREHEADER3:%.*]], label [[MAIN_PSEUDO_EXIT:%.*]] |
| ; CHECK: for.body.preheader3: |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[IV:%.*]] = phi i32 [ [[DEC:%.*]], [[FOR_INC:%.*]] ], [ [[IV_PRELOOP_COPY:%.*]], [[FOR_BODY_PREHEADER3]] ] |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[IV]], 1024 |
| ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[IV]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = load i32, ptr [[ARRAYIDX]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, ptr [[C]], i32 [[IV]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = load i32, ptr [[ARRAYIDX2]], align 4 |
| ; CHECK-NEXT: [[MUL:%.*]] = mul nsw i32 [[TMP4]], [[TMP3]] |
| ; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[IV]] |
| ; CHECK-NEXT: br i1 true, label [[FOR_INC]], label [[IF_ELSE:%.*]] |
| ; CHECK: if.else: |
| ; CHECK-NEXT: [[TMP5:%.*]] = load i32, ptr [[ARRAYIDX3]], align 4 |
| ; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[TMP5]], [[MUL]] |
| ; CHECK-NEXT: br label [[FOR_INC]] |
| ; CHECK: for.inc: |
| ; CHECK-NEXT: [[STOREMERGE:%.*]] = phi i32 [ [[ADD]], [[IF_ELSE]] ], [ [[MUL]], [[FOR_BODY]] ] |
| ; CHECK-NEXT: store i32 [[STOREMERGE]], ptr [[ARRAYIDX3]], align 4 |
| ; CHECK-NEXT: [[DEC]] = add nsw i32 [[IV]], -1 |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[DEC]], [[M]] |
| ; CHECK-NEXT: [[TMP6:%.*]] = icmp sgt i32 [[DEC]], [[EXIT_MAINLOOP_AT]] |
| ; CHECK-NEXT: br i1 [[TMP6]], label [[FOR_BODY]], label [[MAIN_EXIT_SELECTOR:%.*]] |
| ; CHECK: main.exit.selector: |
| ; CHECK-NEXT: [[DEC_LCSSA:%.*]] = phi i32 [ [[DEC]], [[FOR_INC]] ] |
| ; CHECK-NEXT: [[TMP7:%.*]] = icmp sgt i32 [[DEC_LCSSA]], [[M]] |
| ; CHECK-NEXT: br i1 [[TMP7]], label [[MAIN_PSEUDO_EXIT]], label [[FOR_COND_CLEANUP_LOOPEXIT]] |
| ; CHECK: main.pseudo.exit: |
| ; CHECK-NEXT: [[IV_COPY:%.*]] = phi i32 [ [[IV_PRELOOP_COPY]], [[MAINLOOP:%.*]] ], [ [[DEC_LCSSA]], [[MAIN_EXIT_SELECTOR]] ] |
| ; CHECK-NEXT: [[INDVAR_END2:%.*]] = phi i32 [ [[INDVAR_END]], [[MAINLOOP]] ], [ [[DEC_LCSSA]], [[MAIN_EXIT_SELECTOR]] ] |
| ; CHECK-NEXT: br label [[POSTLOOP:%.*]] |
| ; CHECK: for.body.preloop: |
| ; CHECK-NEXT: [[IV_PRELOOP:%.*]] = phi i32 [ [[DEC_PRELOOP:%.*]], [[FOR_INC_PRELOOP:%.*]] ], [ 1024, [[FOR_BODY_PRELOOP_PREHEADER]] ] |
| ; CHECK-NEXT: [[CMP1_PRELOOP:%.*]] = icmp slt i32 [[IV_PRELOOP]], 1024 |
| ; CHECK-NEXT: [[ARRAYIDX_PRELOOP:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[IV_PRELOOP]] |
| ; CHECK-NEXT: [[TMP8:%.*]] = load i32, ptr [[ARRAYIDX_PRELOOP]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX2_PRELOOP:%.*]] = getelementptr inbounds i32, ptr [[C]], i32 [[IV_PRELOOP]] |
| ; CHECK-NEXT: [[TMP9:%.*]] = load i32, ptr [[ARRAYIDX2_PRELOOP]], align 4 |
| ; CHECK-NEXT: [[MUL_PRELOOP:%.*]] = mul nsw i32 [[TMP9]], [[TMP8]] |
| ; CHECK-NEXT: [[ARRAYIDX3_PRELOOP:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[IV_PRELOOP]] |
| ; CHECK-NEXT: br i1 [[CMP1_PRELOOP]], label [[FOR_INC_PRELOOP]], label [[IF_ELSE_PRELOOP:%.*]] |
| ; CHECK: if.else.preloop: |
| ; CHECK-NEXT: [[TMP10:%.*]] = load i32, ptr [[ARRAYIDX3_PRELOOP]], align 4 |
| ; CHECK-NEXT: [[ADD_PRELOOP:%.*]] = add nsw i32 [[TMP10]], [[MUL_PRELOOP]] |
| ; CHECK-NEXT: br label [[FOR_INC_PRELOOP]] |
| ; CHECK: for.inc.preloop: |
| ; CHECK-NEXT: [[STOREMERGE_PRELOOP:%.*]] = phi i32 [ [[ADD_PRELOOP]], [[IF_ELSE_PRELOOP]] ], [ [[MUL_PRELOOP]], [[FOR_BODY_PRELOOP]] ] |
| ; CHECK-NEXT: store i32 [[STOREMERGE_PRELOOP]], ptr [[ARRAYIDX3_PRELOOP]], align 4 |
| ; CHECK-NEXT: [[DEC_PRELOOP]] = add nsw i32 [[IV_PRELOOP]], -1 |
| ; CHECK-NEXT: [[CMP_PRELOOP:%.*]] = icmp sgt i32 [[DEC_PRELOOP]], [[M]] |
| ; CHECK-NEXT: [[TMP11:%.*]] = icmp sgt i32 [[DEC_PRELOOP]], [[EXIT_PRELOOP_AT]] |
| ; CHECK-NEXT: br i1 [[TMP11]], label [[FOR_BODY_PRELOOP]], label [[PRELOOP_EXIT_SELECTOR:%.*]], !llvm.loop [[LOOP9:![0-9]+]], !loop_constrainer.loop.clone !5 |
| ; CHECK: preloop.exit.selector: |
| ; CHECK-NEXT: [[DEC_PRELOOP_LCSSA:%.*]] = phi i32 [ [[DEC_PRELOOP]], [[FOR_INC_PRELOOP]] ] |
| ; CHECK-NEXT: [[TMP12:%.*]] = icmp sgt i32 [[DEC_PRELOOP_LCSSA]], [[M]] |
| ; CHECK-NEXT: br i1 [[TMP12]], label [[PRELOOP_PSEUDO_EXIT]], label [[FOR_COND_CLEANUP_LOOPEXIT]] |
| ; CHECK: preloop.pseudo.exit: |
| ; CHECK-NEXT: [[IV_PRELOOP_COPY]] = phi i32 [ 1024, [[FOR_BODY_PREHEADER]] ], [ [[DEC_PRELOOP_LCSSA]], [[PRELOOP_EXIT_SELECTOR]] ] |
| ; CHECK-NEXT: [[INDVAR_END]] = phi i32 [ 1024, [[FOR_BODY_PREHEADER]] ], [ [[DEC_PRELOOP_LCSSA]], [[PRELOOP_EXIT_SELECTOR]] ] |
| ; CHECK-NEXT: br label [[MAINLOOP]] |
| ; CHECK: postloop: |
| ; CHECK-NEXT: br label [[FOR_BODY_POSTLOOP:%.*]] |
| ; CHECK: for.body.postloop: |
| ; CHECK-NEXT: [[IV_POSTLOOP:%.*]] = phi i32 [ [[DEC_POSTLOOP:%.*]], [[FOR_INC_POSTLOOP:%.*]] ], [ [[IV_COPY]], [[POSTLOOP]] ] |
| ; CHECK-NEXT: [[CMP1_POSTLOOP:%.*]] = icmp slt i32 [[IV_POSTLOOP]], 1024 |
| ; CHECK-NEXT: [[ARRAYIDX_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[IV_POSTLOOP]] |
| ; CHECK-NEXT: [[TMP13:%.*]] = load i32, ptr [[ARRAYIDX_POSTLOOP]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX2_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[C]], i32 [[IV_POSTLOOP]] |
| ; CHECK-NEXT: [[TMP14:%.*]] = load i32, ptr [[ARRAYIDX2_POSTLOOP]], align 4 |
| ; CHECK-NEXT: [[MUL_POSTLOOP:%.*]] = mul nsw i32 [[TMP14]], [[TMP13]] |
| ; CHECK-NEXT: [[ARRAYIDX3_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[IV_POSTLOOP]] |
| ; CHECK-NEXT: br i1 [[CMP1_POSTLOOP]], label [[FOR_INC_POSTLOOP]], label [[IF_ELSE_POSTLOOP:%.*]] |
| ; CHECK: if.else.postloop: |
| ; CHECK-NEXT: [[TMP15:%.*]] = load i32, ptr [[ARRAYIDX3_POSTLOOP]], align 4 |
| ; CHECK-NEXT: [[ADD_POSTLOOP:%.*]] = add nsw i32 [[TMP15]], [[MUL_POSTLOOP]] |
| ; CHECK-NEXT: br label [[FOR_INC_POSTLOOP]] |
| ; CHECK: for.inc.postloop: |
| ; CHECK-NEXT: [[STOREMERGE_POSTLOOP:%.*]] = phi i32 [ [[ADD_POSTLOOP]], [[IF_ELSE_POSTLOOP]] ], [ [[MUL_POSTLOOP]], [[FOR_BODY_POSTLOOP]] ] |
| ; CHECK-NEXT: store i32 [[STOREMERGE_POSTLOOP]], ptr [[ARRAYIDX3_POSTLOOP]], align 4 |
| ; CHECK-NEXT: [[DEC_POSTLOOP]] = add nsw i32 [[IV_POSTLOOP]], -1 |
| ; CHECK-NEXT: [[CMP_POSTLOOP:%.*]] = icmp sgt i32 [[DEC_POSTLOOP]], [[M]] |
| ; CHECK-NEXT: br i1 [[CMP_POSTLOOP]], label [[FOR_BODY_POSTLOOP]], label [[FOR_COND_CLEANUP_LOOPEXIT_LOOPEXIT:%.*]], !llvm.loop [[LOOP10:![0-9]+]], !loop_constrainer.loop.clone !5 |
| ; |
| entry: |
| %cmp14 = icmp slt i32 %M, 1024 |
| br i1 %cmp14, label %for.body, label %for.cond.cleanup |
| |
| for.cond.cleanup: ; preds = %for.inc, %entry |
| ret void |
| |
| for.body: ; preds = %entry, %for.inc |
| %iv = phi i32 [ %dec, %for.inc ], [ 1024, %entry ] |
| %cmp1 = icmp slt i32 %iv, 1024 |
| %arrayidx = getelementptr inbounds i32, ptr %b, i32 %iv |
| %0 = load i32, ptr %arrayidx, align 4 |
| %arrayidx2 = getelementptr inbounds i32, ptr %c, i32 %iv |
| %1 = load i32, ptr %arrayidx2, align 4 |
| %mul = mul nsw i32 %1, %0 |
| %arrayidx3 = getelementptr inbounds i32, ptr %a, i32 %iv |
| br i1 %cmp1, label %for.inc, label %if.else |
| |
| if.else: ; preds = %for.body |
| %2 = load i32, ptr %arrayidx3, align 4 |
| %add = add nsw i32 %2, %mul |
| br label %for.inc |
| |
| for.inc: ; preds = %for.body, %if.else |
| %storemerge = phi i32 [ %add, %if.else ], [ %mul, %for.body ] |
| store i32 %storemerge, ptr %arrayidx3, align 4 |
| %dec = add nsw i32 %iv, -1 |
| %cmp = icmp sgt i32 %dec, %M |
| br i1 %cmp, label %for.body, label %for.cond.cleanup |
| } |
| |
| define void @signed_var_imm_dec_sge(ptr nocapture %a, ptr nocapture readonly %b, ptr nocapture readonly %c, i32 %M) { |
| ; CHECK-LABEL: define void @signed_var_imm_dec_sge( |
| ; CHECK-SAME: ptr nocapture [[A:%.*]], ptr nocapture readonly [[B:%.*]], ptr nocapture readonly [[C:%.*]], i32 [[M:%.*]]) { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CMP14:%.*]] = icmp sgt i32 [[M]], 1024 |
| ; CHECK-NEXT: br i1 [[CMP14]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY_PREHEADER:%.*]] |
| ; CHECK: for.body.preheader: |
| ; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[M]], 1 |
| ; CHECK-NEXT: [[SMAX:%.*]] = call i32 @llvm.smax.i32(i32 [[TMP0]], i32 1025) |
| ; CHECK-NEXT: [[EXIT_PRELOOP_AT:%.*]] = add nsw i32 [[SMAX]], -1 |
| ; CHECK-NEXT: [[SMAX1:%.*]] = call i32 @llvm.smax.i32(i32 [[TMP0]], i32 1) |
| ; CHECK-NEXT: [[EXIT_MAINLOOP_AT:%.*]] = add nsw i32 [[SMAX1]], -1 |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt i32 1025, [[EXIT_PRELOOP_AT]] |
| ; CHECK-NEXT: br i1 [[TMP1]], label [[FOR_BODY_PRELOOP_PREHEADER:%.*]], label [[PRELOOP_PSEUDO_EXIT:%.*]] |
| ; CHECK: for.body.preloop.preheader: |
| ; CHECK-NEXT: br label [[FOR_BODY_PRELOOP:%.*]] |
| ; CHECK: for.cond.cleanup.loopexit.loopexit: |
| ; CHECK-NEXT: br label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]] |
| ; CHECK: for.cond.cleanup.loopexit: |
| ; CHECK-NEXT: br label [[FOR_COND_CLEANUP]] |
| ; CHECK: for.cond.cleanup: |
| ; CHECK-NEXT: ret void |
| ; CHECK: mainloop: |
| ; CHECK-NEXT: [[TMP2:%.*]] = icmp sgt i32 [[INDVAR_END:%.*]], [[EXIT_MAINLOOP_AT]] |
| ; CHECK-NEXT: br i1 [[TMP2]], label [[FOR_BODY_PREHEADER3:%.*]], label [[MAIN_PSEUDO_EXIT:%.*]] |
| ; CHECK: for.body.preheader3: |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[IV:%.*]] = phi i32 [ [[DEC:%.*]], [[FOR_INC:%.*]] ], [ [[IV_PRELOOP_COPY:%.*]], [[FOR_BODY_PREHEADER3]] ] |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[IV]], 1024 |
| ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[IV]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = load i32, ptr [[ARRAYIDX]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, ptr [[C]], i32 [[IV]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = load i32, ptr [[ARRAYIDX2]], align 4 |
| ; CHECK-NEXT: [[MUL:%.*]] = mul nsw i32 [[TMP4]], [[TMP3]] |
| ; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[IV]] |
| ; CHECK-NEXT: br i1 true, label [[FOR_INC]], label [[IF_ELSE:%.*]] |
| ; CHECK: if.else: |
| ; CHECK-NEXT: [[TMP5:%.*]] = load i32, ptr [[ARRAYIDX3]], align 4 |
| ; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[TMP5]], [[MUL]] |
| ; CHECK-NEXT: br label [[FOR_INC]] |
| ; CHECK: for.inc: |
| ; CHECK-NEXT: [[STOREMERGE:%.*]] = phi i32 [ [[ADD]], [[IF_ELSE]] ], [ [[MUL]], [[FOR_BODY]] ] |
| ; CHECK-NEXT: store i32 [[STOREMERGE]], ptr [[ARRAYIDX3]], align 4 |
| ; CHECK-NEXT: [[DEC]] = add nsw i32 [[IV]], -1 |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[IV]], [[M]] |
| ; CHECK-NEXT: [[TMP6:%.*]] = icmp sgt i32 [[IV]], [[EXIT_MAINLOOP_AT]] |
| ; CHECK-NEXT: br i1 [[TMP6]], label [[FOR_BODY]], label [[MAIN_EXIT_SELECTOR:%.*]] |
| ; CHECK: main.exit.selector: |
| ; CHECK-NEXT: [[DEC_LCSSA:%.*]] = phi i32 [ [[DEC]], [[FOR_INC]] ] |
| ; CHECK-NEXT: [[IV_LCSSA:%.*]] = phi i32 [ [[IV]], [[FOR_INC]] ] |
| ; CHECK-NEXT: [[TMP7:%.*]] = icmp sgt i32 [[IV_LCSSA]], [[M]] |
| ; CHECK-NEXT: br i1 [[TMP7]], label [[MAIN_PSEUDO_EXIT]], label [[FOR_COND_CLEANUP_LOOPEXIT]] |
| ; CHECK: main.pseudo.exit: |
| ; CHECK-NEXT: [[IV_COPY:%.*]] = phi i32 [ [[IV_PRELOOP_COPY]], [[MAINLOOP:%.*]] ], [ [[DEC_LCSSA]], [[MAIN_EXIT_SELECTOR]] ] |
| ; CHECK-NEXT: [[INDVAR_END2:%.*]] = phi i32 [ [[INDVAR_END]], [[MAINLOOP]] ], [ [[IV_LCSSA]], [[MAIN_EXIT_SELECTOR]] ] |
| ; CHECK-NEXT: br label [[POSTLOOP:%.*]] |
| ; CHECK: for.body.preloop: |
| ; CHECK-NEXT: [[IV_PRELOOP:%.*]] = phi i32 [ [[DEC_PRELOOP:%.*]], [[FOR_INC_PRELOOP:%.*]] ], [ 1024, [[FOR_BODY_PRELOOP_PREHEADER]] ] |
| ; CHECK-NEXT: [[CMP1_PRELOOP:%.*]] = icmp slt i32 [[IV_PRELOOP]], 1024 |
| ; CHECK-NEXT: [[ARRAYIDX_PRELOOP:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[IV_PRELOOP]] |
| ; CHECK-NEXT: [[TMP8:%.*]] = load i32, ptr [[ARRAYIDX_PRELOOP]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX2_PRELOOP:%.*]] = getelementptr inbounds i32, ptr [[C]], i32 [[IV_PRELOOP]] |
| ; CHECK-NEXT: [[TMP9:%.*]] = load i32, ptr [[ARRAYIDX2_PRELOOP]], align 4 |
| ; CHECK-NEXT: [[MUL_PRELOOP:%.*]] = mul nsw i32 [[TMP9]], [[TMP8]] |
| ; CHECK-NEXT: [[ARRAYIDX3_PRELOOP:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[IV_PRELOOP]] |
| ; CHECK-NEXT: br i1 [[CMP1_PRELOOP]], label [[FOR_INC_PRELOOP]], label [[IF_ELSE_PRELOOP:%.*]] |
| ; CHECK: if.else.preloop: |
| ; CHECK-NEXT: [[TMP10:%.*]] = load i32, ptr [[ARRAYIDX3_PRELOOP]], align 4 |
| ; CHECK-NEXT: [[ADD_PRELOOP:%.*]] = add nsw i32 [[TMP10]], [[MUL_PRELOOP]] |
| ; CHECK-NEXT: br label [[FOR_INC_PRELOOP]] |
| ; CHECK: for.inc.preloop: |
| ; CHECK-NEXT: [[STOREMERGE_PRELOOP:%.*]] = phi i32 [ [[ADD_PRELOOP]], [[IF_ELSE_PRELOOP]] ], [ [[MUL_PRELOOP]], [[FOR_BODY_PRELOOP]] ] |
| ; CHECK-NEXT: store i32 [[STOREMERGE_PRELOOP]], ptr [[ARRAYIDX3_PRELOOP]], align 4 |
| ; CHECK-NEXT: [[DEC_PRELOOP]] = add nsw i32 [[IV_PRELOOP]], -1 |
| ; CHECK-NEXT: [[CMP_PRELOOP:%.*]] = icmp sgt i32 [[IV_PRELOOP]], [[M]] |
| ; CHECK-NEXT: [[TMP11:%.*]] = icmp sgt i32 [[IV_PRELOOP]], [[EXIT_PRELOOP_AT]] |
| ; CHECK-NEXT: br i1 [[TMP11]], label [[FOR_BODY_PRELOOP]], label [[PRELOOP_EXIT_SELECTOR:%.*]], !llvm.loop [[LOOP11:![0-9]+]], !loop_constrainer.loop.clone !5 |
| ; CHECK: preloop.exit.selector: |
| ; CHECK-NEXT: [[DEC_PRELOOP_LCSSA:%.*]] = phi i32 [ [[DEC_PRELOOP]], [[FOR_INC_PRELOOP]] ] |
| ; CHECK-NEXT: [[IV_PRELOOP_LCSSA:%.*]] = phi i32 [ [[IV_PRELOOP]], [[FOR_INC_PRELOOP]] ] |
| ; CHECK-NEXT: [[TMP12:%.*]] = icmp sgt i32 [[IV_PRELOOP_LCSSA]], [[M]] |
| ; CHECK-NEXT: br i1 [[TMP12]], label [[PRELOOP_PSEUDO_EXIT]], label [[FOR_COND_CLEANUP_LOOPEXIT]] |
| ; CHECK: preloop.pseudo.exit: |
| ; CHECK-NEXT: [[IV_PRELOOP_COPY]] = phi i32 [ 1024, [[FOR_BODY_PREHEADER]] ], [ [[DEC_PRELOOP_LCSSA]], [[PRELOOP_EXIT_SELECTOR]] ] |
| ; CHECK-NEXT: [[INDVAR_END]] = phi i32 [ 1025, [[FOR_BODY_PREHEADER]] ], [ [[IV_PRELOOP_LCSSA]], [[PRELOOP_EXIT_SELECTOR]] ] |
| ; CHECK-NEXT: br label [[MAINLOOP]] |
| ; CHECK: postloop: |
| ; CHECK-NEXT: br label [[FOR_BODY_POSTLOOP:%.*]] |
| ; CHECK: for.body.postloop: |
| ; CHECK-NEXT: [[IV_POSTLOOP:%.*]] = phi i32 [ [[DEC_POSTLOOP:%.*]], [[FOR_INC_POSTLOOP:%.*]] ], [ [[IV_COPY]], [[POSTLOOP]] ] |
| ; CHECK-NEXT: [[CMP1_POSTLOOP:%.*]] = icmp slt i32 [[IV_POSTLOOP]], 1024 |
| ; CHECK-NEXT: [[ARRAYIDX_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[IV_POSTLOOP]] |
| ; CHECK-NEXT: [[TMP13:%.*]] = load i32, ptr [[ARRAYIDX_POSTLOOP]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX2_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[C]], i32 [[IV_POSTLOOP]] |
| ; CHECK-NEXT: [[TMP14:%.*]] = load i32, ptr [[ARRAYIDX2_POSTLOOP]], align 4 |
| ; CHECK-NEXT: [[MUL_POSTLOOP:%.*]] = mul nsw i32 [[TMP14]], [[TMP13]] |
| ; CHECK-NEXT: [[ARRAYIDX3_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[IV_POSTLOOP]] |
| ; CHECK-NEXT: br i1 [[CMP1_POSTLOOP]], label [[FOR_INC_POSTLOOP]], label [[IF_ELSE_POSTLOOP:%.*]] |
| ; CHECK: if.else.postloop: |
| ; CHECK-NEXT: [[TMP15:%.*]] = load i32, ptr [[ARRAYIDX3_POSTLOOP]], align 4 |
| ; CHECK-NEXT: [[ADD_POSTLOOP:%.*]] = add nsw i32 [[TMP15]], [[MUL_POSTLOOP]] |
| ; CHECK-NEXT: br label [[FOR_INC_POSTLOOP]] |
| ; CHECK: for.inc.postloop: |
| ; CHECK-NEXT: [[STOREMERGE_POSTLOOP:%.*]] = phi i32 [ [[ADD_POSTLOOP]], [[IF_ELSE_POSTLOOP]] ], [ [[MUL_POSTLOOP]], [[FOR_BODY_POSTLOOP]] ] |
| ; CHECK-NEXT: store i32 [[STOREMERGE_POSTLOOP]], ptr [[ARRAYIDX3_POSTLOOP]], align 4 |
| ; CHECK-NEXT: [[DEC_POSTLOOP]] = add nsw i32 [[IV_POSTLOOP]], -1 |
| ; CHECK-NEXT: [[CMP_POSTLOOP:%.*]] = icmp sgt i32 [[IV_POSTLOOP]], [[M]] |
| ; CHECK-NEXT: br i1 [[CMP_POSTLOOP]], label [[FOR_BODY_POSTLOOP]], label [[FOR_COND_CLEANUP_LOOPEXIT_LOOPEXIT:%.*]], !llvm.loop [[LOOP12:![0-9]+]], !loop_constrainer.loop.clone !5 |
| ; |
| entry: |
| %cmp14 = icmp sgt i32 %M, 1024 |
| br i1 %cmp14, label %for.cond.cleanup, label %for.body |
| |
| for.cond.cleanup: ; preds = %for.inc, %entry |
| ret void |
| |
| for.body: ; preds = %entry, %for.inc |
| %iv = phi i32 [ %dec, %for.inc ], [ 1024, %entry ] |
| %cmp1 = icmp slt i32 %iv, 1024 |
| %arrayidx = getelementptr inbounds i32, ptr %b, i32 %iv |
| %0 = load i32, ptr %arrayidx, align 4 |
| %arrayidx2 = getelementptr inbounds i32, ptr %c, i32 %iv |
| %1 = load i32, ptr %arrayidx2, align 4 |
| %mul = mul nsw i32 %1, %0 |
| %arrayidx3 = getelementptr inbounds i32, ptr %a, i32 %iv |
| br i1 %cmp1, label %for.inc, label %if.else |
| |
| if.else: ; preds = %for.body |
| %2 = load i32, ptr %arrayidx3, align 4 |
| %add = add nsw i32 %2, %mul |
| br label %for.inc |
| |
| for.inc: ; preds = %for.body, %if.else |
| %storemerge = phi i32 [ %add, %if.else ], [ %mul, %for.body ] |
| store i32 %storemerge, ptr %arrayidx3, align 4 |
| %dec = add nsw i32 %iv, -1 |
| %cmp = icmp sgt i32 %iv, %M |
| br i1 %cmp, label %for.body, label %for.cond.cleanup |
| } |
| |
| define void @signed_var_imm_dec_slt(ptr nocapture %a, ptr nocapture readonly %b, ptr nocapture readonly %c, i32 %M) { |
| ; CHECK-LABEL: define void @signed_var_imm_dec_slt( |
| ; CHECK-SAME: ptr nocapture [[A:%.*]], ptr nocapture readonly [[B:%.*]], ptr nocapture readonly [[C:%.*]], i32 [[M:%.*]]) { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CMP14:%.*]] = icmp sgt i32 [[M]], 1024 |
| ; CHECK-NEXT: br i1 [[CMP14]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY_PREHEADER:%.*]] |
| ; CHECK: for.body.preheader: |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.cond.cleanup.loopexit: |
| ; CHECK-NEXT: br label [[FOR_COND_CLEANUP]] |
| ; CHECK: for.cond.cleanup: |
| ; CHECK-NEXT: ret void |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[IV:%.*]] = phi i32 [ [[DEC:%.*]], [[FOR_INC:%.*]] ], [ 1024, [[FOR_BODY_PREHEADER]] ] |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[IV]], 1024 |
| ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[IV]] |
| ; CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[ARRAYIDX]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, ptr [[C]], i32 [[IV]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr [[ARRAYIDX2]], align 4 |
| ; CHECK-NEXT: [[MUL:%.*]] = mul nsw i32 [[TMP1]], [[TMP0]] |
| ; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[IV]] |
| ; CHECK-NEXT: br i1 [[CMP1]], label [[FOR_INC]], label [[IF_ELSE:%.*]] |
| ; CHECK: if.else: |
| ; CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr [[ARRAYIDX3]], align 4 |
| ; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[TMP2]], [[MUL]] |
| ; CHECK-NEXT: br label [[FOR_INC]] |
| ; CHECK: for.inc: |
| ; CHECK-NEXT: [[STOREMERGE:%.*]] = phi i32 [ [[ADD]], [[IF_ELSE]] ], [ [[MUL]], [[FOR_BODY]] ] |
| ; CHECK-NEXT: store i32 [[STOREMERGE]], ptr [[ARRAYIDX3]], align 4 |
| ; CHECK-NEXT: [[DEC]] = add nsw i32 [[IV]], -1 |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[IV]], [[M]] |
| ; CHECK-NEXT: br i1 [[CMP]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[FOR_BODY]] |
| ; |
| entry: |
| %cmp14 = icmp sgt i32 %M, 1024 |
| br i1 %cmp14, label %for.cond.cleanup, label %for.body |
| |
| for.cond.cleanup: ; preds = %for.inc, %entry |
| ret void |
| |
| for.body: ; preds = %entry, %for.inc |
| %iv = phi i32 [ %dec, %for.inc ], [ 1024, %entry ] |
| %cmp1 = icmp slt i32 %iv, 1024 |
| %arrayidx = getelementptr inbounds i32, ptr %b, i32 %iv |
| %0 = load i32, ptr %arrayidx, align 4 |
| %arrayidx2 = getelementptr inbounds i32, ptr %c, i32 %iv |
| %1 = load i32, ptr %arrayidx2, align 4 |
| %mul = mul nsw i32 %1, %0 |
| %arrayidx3 = getelementptr inbounds i32, ptr %a, i32 %iv |
| br i1 %cmp1, label %for.inc, label %if.else |
| |
| if.else: ; preds = %for.body |
| %2 = load i32, ptr %arrayidx3, align 4 |
| %add = add nsw i32 %2, %mul |
| br label %for.inc |
| |
| for.inc: ; preds = %for.body, %if.else |
| %storemerge = phi i32 [ %add, %if.else ], [ %mul, %for.body ] |
| store i32 %storemerge, ptr %arrayidx3, align 4 |
| %dec = add nsw i32 %iv, -1 |
| %cmp = icmp slt i32 %iv, %M |
| br i1 %cmp, label %for.cond.cleanup, label %for.body |
| } |
| |
| define void @signed_var_imm_dec_ne(ptr nocapture %a, ptr nocapture readonly %b, ptr nocapture readonly %c, i32 %M) { |
| ; CHECK-LABEL: define void @signed_var_imm_dec_ne( |
| ; CHECK-SAME: ptr nocapture [[A:%.*]], ptr nocapture readonly [[B:%.*]], ptr nocapture readonly [[C:%.*]], i32 [[M:%.*]]) { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CMP14:%.*]] = icmp slt i32 [[M]], 1024 |
| ; CHECK-NEXT: br i1 [[CMP14]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]] |
| ; CHECK: for.body.preheader: |
| ; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[M]], 1 |
| ; CHECK-NEXT: [[SMAX:%.*]] = call i32 @llvm.smax.i32(i32 [[TMP0]], i32 1024) |
| ; CHECK-NEXT: [[EXIT_PRELOOP_AT:%.*]] = add nsw i32 [[SMAX]], -1 |
| ; CHECK-NEXT: [[SMAX1:%.*]] = call i32 @llvm.smax.i32(i32 [[TMP0]], i32 0) |
| ; CHECK-NEXT: [[EXIT_MAINLOOP_AT:%.*]] = add nsw i32 [[SMAX1]], -1 |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt i32 1024, [[EXIT_PRELOOP_AT]] |
| ; CHECK-NEXT: br i1 [[TMP1]], label [[FOR_BODY_PRELOOP_PREHEADER:%.*]], label [[PRELOOP_PSEUDO_EXIT:%.*]] |
| ; CHECK: for.body.preloop.preheader: |
| ; CHECK-NEXT: br label [[FOR_BODY_PRELOOP:%.*]] |
| ; CHECK: for.cond.cleanup.loopexit.loopexit: |
| ; CHECK-NEXT: br label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]] |
| ; CHECK: for.cond.cleanup.loopexit: |
| ; CHECK-NEXT: br label [[FOR_COND_CLEANUP]] |
| ; CHECK: for.cond.cleanup: |
| ; CHECK-NEXT: ret void |
| ; CHECK: mainloop: |
| ; CHECK-NEXT: [[TMP2:%.*]] = icmp sgt i32 [[INDVAR_END:%.*]], [[EXIT_MAINLOOP_AT]] |
| ; CHECK-NEXT: br i1 [[TMP2]], label [[FOR_BODY_PREHEADER3:%.*]], label [[MAIN_PSEUDO_EXIT:%.*]] |
| ; CHECK: for.body.preheader3: |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[IV:%.*]] = phi i32 [ [[DEC:%.*]], [[FOR_INC:%.*]] ], [ [[IV_PRELOOP_COPY:%.*]], [[FOR_BODY_PREHEADER3]] ] |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[IV]], 1024 |
| ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[IV]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = load i32, ptr [[ARRAYIDX]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, ptr [[C]], i32 [[IV]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = load i32, ptr [[ARRAYIDX2]], align 4 |
| ; CHECK-NEXT: [[MUL:%.*]] = mul nsw i32 [[TMP4]], [[TMP3]] |
| ; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[IV]] |
| ; CHECK-NEXT: br i1 true, label [[FOR_INC]], label [[IF_ELSE:%.*]] |
| ; CHECK: if.else: |
| ; CHECK-NEXT: [[TMP5:%.*]] = load i32, ptr [[ARRAYIDX3]], align 4 |
| ; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[TMP5]], [[MUL]] |
| ; CHECK-NEXT: br label [[FOR_INC]] |
| ; CHECK: for.inc: |
| ; CHECK-NEXT: [[STOREMERGE:%.*]] = phi i32 [ [[ADD]], [[IF_ELSE]] ], [ [[MUL]], [[FOR_BODY]] ] |
| ; CHECK-NEXT: store i32 [[STOREMERGE]], ptr [[ARRAYIDX3]], align 4 |
| ; CHECK-NEXT: [[DEC]] = add nsw i32 [[IV]], -1 |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[DEC]], [[M]] |
| ; CHECK-NEXT: [[TMP6:%.*]] = icmp sgt i32 [[DEC]], [[EXIT_MAINLOOP_AT]] |
| ; CHECK-NEXT: br i1 [[TMP6]], label [[FOR_BODY]], label [[MAIN_EXIT_SELECTOR:%.*]] |
| ; CHECK: main.exit.selector: |
| ; CHECK-NEXT: [[DEC_LCSSA:%.*]] = phi i32 [ [[DEC]], [[FOR_INC]] ] |
| ; CHECK-NEXT: [[TMP7:%.*]] = icmp sgt i32 [[DEC_LCSSA]], [[M]] |
| ; CHECK-NEXT: br i1 [[TMP7]], label [[MAIN_PSEUDO_EXIT]], label [[FOR_COND_CLEANUP_LOOPEXIT]] |
| ; CHECK: main.pseudo.exit: |
| ; CHECK-NEXT: [[IV_COPY:%.*]] = phi i32 [ [[IV_PRELOOP_COPY]], [[MAINLOOP:%.*]] ], [ [[DEC_LCSSA]], [[MAIN_EXIT_SELECTOR]] ] |
| ; CHECK-NEXT: [[INDVAR_END2:%.*]] = phi i32 [ [[INDVAR_END]], [[MAINLOOP]] ], [ [[DEC_LCSSA]], [[MAIN_EXIT_SELECTOR]] ] |
| ; CHECK-NEXT: br label [[POSTLOOP:%.*]] |
| ; CHECK: for.body.preloop: |
| ; CHECK-NEXT: [[IV_PRELOOP:%.*]] = phi i32 [ [[DEC_PRELOOP:%.*]], [[FOR_INC_PRELOOP:%.*]] ], [ 1024, [[FOR_BODY_PRELOOP_PREHEADER]] ] |
| ; CHECK-NEXT: [[CMP1_PRELOOP:%.*]] = icmp slt i32 [[IV_PRELOOP]], 1024 |
| ; CHECK-NEXT: [[ARRAYIDX_PRELOOP:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[IV_PRELOOP]] |
| ; CHECK-NEXT: [[TMP8:%.*]] = load i32, ptr [[ARRAYIDX_PRELOOP]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX2_PRELOOP:%.*]] = getelementptr inbounds i32, ptr [[C]], i32 [[IV_PRELOOP]] |
| ; CHECK-NEXT: [[TMP9:%.*]] = load i32, ptr [[ARRAYIDX2_PRELOOP]], align 4 |
| ; CHECK-NEXT: [[MUL_PRELOOP:%.*]] = mul nsw i32 [[TMP9]], [[TMP8]] |
| ; CHECK-NEXT: [[ARRAYIDX3_PRELOOP:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[IV_PRELOOP]] |
| ; CHECK-NEXT: br i1 [[CMP1_PRELOOP]], label [[FOR_INC_PRELOOP]], label [[IF_ELSE_PRELOOP:%.*]] |
| ; CHECK: if.else.preloop: |
| ; CHECK-NEXT: [[TMP10:%.*]] = load i32, ptr [[ARRAYIDX3_PRELOOP]], align 4 |
| ; CHECK-NEXT: [[ADD_PRELOOP:%.*]] = add nsw i32 [[TMP10]], [[MUL_PRELOOP]] |
| ; CHECK-NEXT: br label [[FOR_INC_PRELOOP]] |
| ; CHECK: for.inc.preloop: |
| ; CHECK-NEXT: [[STOREMERGE_PRELOOP:%.*]] = phi i32 [ [[ADD_PRELOOP]], [[IF_ELSE_PRELOOP]] ], [ [[MUL_PRELOOP]], [[FOR_BODY_PRELOOP]] ] |
| ; CHECK-NEXT: store i32 [[STOREMERGE_PRELOOP]], ptr [[ARRAYIDX3_PRELOOP]], align 4 |
| ; CHECK-NEXT: [[DEC_PRELOOP]] = add nsw i32 [[IV_PRELOOP]], -1 |
| ; CHECK-NEXT: [[CMP_PRELOOP:%.*]] = icmp ne i32 [[DEC_PRELOOP]], [[M]] |
| ; CHECK-NEXT: [[TMP11:%.*]] = icmp sgt i32 [[DEC_PRELOOP]], [[EXIT_PRELOOP_AT]] |
| ; CHECK-NEXT: br i1 [[TMP11]], label [[FOR_BODY_PRELOOP]], label [[PRELOOP_EXIT_SELECTOR:%.*]], !llvm.loop [[LOOP13:![0-9]+]], !loop_constrainer.loop.clone !5 |
| ; CHECK: preloop.exit.selector: |
| ; CHECK-NEXT: [[DEC_PRELOOP_LCSSA:%.*]] = phi i32 [ [[DEC_PRELOOP]], [[FOR_INC_PRELOOP]] ] |
| ; CHECK-NEXT: [[TMP12:%.*]] = icmp sgt i32 [[DEC_PRELOOP_LCSSA]], [[M]] |
| ; CHECK-NEXT: br i1 [[TMP12]], label [[PRELOOP_PSEUDO_EXIT]], label [[FOR_COND_CLEANUP_LOOPEXIT]] |
| ; CHECK: preloop.pseudo.exit: |
| ; CHECK-NEXT: [[IV_PRELOOP_COPY]] = phi i32 [ 1024, [[FOR_BODY_PREHEADER]] ], [ [[DEC_PRELOOP_LCSSA]], [[PRELOOP_EXIT_SELECTOR]] ] |
| ; CHECK-NEXT: [[INDVAR_END]] = phi i32 [ 1024, [[FOR_BODY_PREHEADER]] ], [ [[DEC_PRELOOP_LCSSA]], [[PRELOOP_EXIT_SELECTOR]] ] |
| ; CHECK-NEXT: br label [[MAINLOOP]] |
| ; CHECK: postloop: |
| ; CHECK-NEXT: br label [[FOR_BODY_POSTLOOP:%.*]] |
| ; CHECK: for.body.postloop: |
| ; CHECK-NEXT: [[IV_POSTLOOP:%.*]] = phi i32 [ [[DEC_POSTLOOP:%.*]], [[FOR_INC_POSTLOOP:%.*]] ], [ [[IV_COPY]], [[POSTLOOP]] ] |
| ; CHECK-NEXT: [[CMP1_POSTLOOP:%.*]] = icmp slt i32 [[IV_POSTLOOP]], 1024 |
| ; CHECK-NEXT: [[ARRAYIDX_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[IV_POSTLOOP]] |
| ; CHECK-NEXT: [[TMP13:%.*]] = load i32, ptr [[ARRAYIDX_POSTLOOP]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX2_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[C]], i32 [[IV_POSTLOOP]] |
| ; CHECK-NEXT: [[TMP14:%.*]] = load i32, ptr [[ARRAYIDX2_POSTLOOP]], align 4 |
| ; CHECK-NEXT: [[MUL_POSTLOOP:%.*]] = mul nsw i32 [[TMP14]], [[TMP13]] |
| ; CHECK-NEXT: [[ARRAYIDX3_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[IV_POSTLOOP]] |
| ; CHECK-NEXT: br i1 [[CMP1_POSTLOOP]], label [[FOR_INC_POSTLOOP]], label [[IF_ELSE_POSTLOOP:%.*]] |
| ; CHECK: if.else.postloop: |
| ; CHECK-NEXT: [[TMP15:%.*]] = load i32, ptr [[ARRAYIDX3_POSTLOOP]], align 4 |
| ; CHECK-NEXT: [[ADD_POSTLOOP:%.*]] = add nsw i32 [[TMP15]], [[MUL_POSTLOOP]] |
| ; CHECK-NEXT: br label [[FOR_INC_POSTLOOP]] |
| ; CHECK: for.inc.postloop: |
| ; CHECK-NEXT: [[STOREMERGE_POSTLOOP:%.*]] = phi i32 [ [[ADD_POSTLOOP]], [[IF_ELSE_POSTLOOP]] ], [ [[MUL_POSTLOOP]], [[FOR_BODY_POSTLOOP]] ] |
| ; CHECK-NEXT: store i32 [[STOREMERGE_POSTLOOP]], ptr [[ARRAYIDX3_POSTLOOP]], align 4 |
| ; CHECK-NEXT: [[DEC_POSTLOOP]] = add nsw i32 [[IV_POSTLOOP]], -1 |
| ; CHECK-NEXT: [[CMP_POSTLOOP:%.*]] = icmp ne i32 [[DEC_POSTLOOP]], [[M]] |
| ; CHECK-NEXT: br i1 [[CMP_POSTLOOP]], label [[FOR_BODY_POSTLOOP]], label [[FOR_COND_CLEANUP_LOOPEXIT_LOOPEXIT:%.*]], !llvm.loop [[LOOP14:![0-9]+]], !loop_constrainer.loop.clone !5 |
| ; |
| entry: |
| %cmp14 = icmp slt i32 %M, 1024 |
| br i1 %cmp14, label %for.body, label %for.cond.cleanup |
| |
| for.cond.cleanup: ; preds = %for.inc, %entry |
| ret void |
| |
| for.body: ; preds = %entry, %for.inc |
| %iv = phi i32 [ %dec, %for.inc ], [ 1024, %entry ] |
| %cmp1 = icmp slt i32 %iv, 1024 |
| %arrayidx = getelementptr inbounds i32, ptr %b, i32 %iv |
| %0 = load i32, ptr %arrayidx, align 4 |
| %arrayidx2 = getelementptr inbounds i32, ptr %c, i32 %iv |
| %1 = load i32, ptr %arrayidx2, align 4 |
| %mul = mul nsw i32 %1, %0 |
| %arrayidx3 = getelementptr inbounds i32, ptr %a, i32 %iv |
| br i1 %cmp1, label %for.inc, label %if.else |
| |
| if.else: ; preds = %for.body |
| %2 = load i32, ptr %arrayidx3, align 4 |
| %add = add nsw i32 %2, %mul |
| br label %for.inc |
| |
| for.inc: ; preds = %for.body, %if.else |
| %storemerge = phi i32 [ %add, %if.else ], [ %mul, %for.body ] |
| store i32 %storemerge, ptr %arrayidx3, align 4 |
| %dec = add nsw i32 %iv, -1 |
| %cmp = icmp ne i32 %dec, %M |
| br i1 %cmp, label %for.body, label %for.cond.cleanup |
| } |
| |
| define void @signed_var_imm_dec_eq(ptr nocapture %a, ptr nocapture readonly %b, ptr nocapture readonly %c, i32 %M) { |
| ; CHECK-LABEL: define void @signed_var_imm_dec_eq( |
| ; CHECK-SAME: ptr nocapture [[A:%.*]], ptr nocapture readonly [[B:%.*]], ptr nocapture readonly [[C:%.*]], i32 [[M:%.*]]) { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CMP14:%.*]] = icmp slt i32 [[M]], 1024 |
| ; CHECK-NEXT: br i1 [[CMP14]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]] |
| ; CHECK: for.body.preheader: |
| ; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[M]], 1 |
| ; CHECK-NEXT: [[SMAX:%.*]] = call i32 @llvm.smax.i32(i32 [[TMP0]], i32 1024) |
| ; CHECK-NEXT: [[EXIT_PRELOOP_AT:%.*]] = add nsw i32 [[SMAX]], -1 |
| ; CHECK-NEXT: [[SMAX1:%.*]] = call i32 @llvm.smax.i32(i32 [[TMP0]], i32 0) |
| ; CHECK-NEXT: [[EXIT_MAINLOOP_AT:%.*]] = add nsw i32 [[SMAX1]], -1 |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt i32 1024, [[EXIT_PRELOOP_AT]] |
| ; CHECK-NEXT: br i1 [[TMP1]], label [[FOR_BODY_PRELOOP_PREHEADER:%.*]], label [[PRELOOP_PSEUDO_EXIT:%.*]] |
| ; CHECK: for.body.preloop.preheader: |
| ; CHECK-NEXT: br label [[FOR_BODY_PRELOOP:%.*]] |
| ; CHECK: for.cond.cleanup.loopexit.loopexit: |
| ; CHECK-NEXT: br label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]] |
| ; CHECK: for.cond.cleanup.loopexit: |
| ; CHECK-NEXT: br label [[FOR_COND_CLEANUP]] |
| ; CHECK: for.cond.cleanup: |
| ; CHECK-NEXT: ret void |
| ; CHECK: mainloop: |
| ; CHECK-NEXT: [[TMP2:%.*]] = icmp sgt i32 [[INDVAR_END:%.*]], [[EXIT_MAINLOOP_AT]] |
| ; CHECK-NEXT: br i1 [[TMP2]], label [[FOR_BODY_PREHEADER3:%.*]], label [[MAIN_PSEUDO_EXIT:%.*]] |
| ; CHECK: for.body.preheader3: |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[IV:%.*]] = phi i32 [ [[DEC:%.*]], [[FOR_INC:%.*]] ], [ [[IV_PRELOOP_COPY:%.*]], [[FOR_BODY_PREHEADER3]] ] |
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 [[IV]], 1024 |
| ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[IV]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = load i32, ptr [[ARRAYIDX]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, ptr [[C]], i32 [[IV]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = load i32, ptr [[ARRAYIDX2]], align 4 |
| ; CHECK-NEXT: [[MUL:%.*]] = mul nsw i32 [[TMP4]], [[TMP3]] |
| ; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[IV]] |
| ; CHECK-NEXT: br i1 true, label [[FOR_INC]], label [[IF_ELSE:%.*]] |
| ; CHECK: if.else: |
| ; CHECK-NEXT: [[TMP5:%.*]] = load i32, ptr [[ARRAYIDX3]], align 4 |
| ; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[TMP5]], [[MUL]] |
| ; CHECK-NEXT: br label [[FOR_INC]] |
| ; CHECK: for.inc: |
| ; CHECK-NEXT: [[STOREMERGE:%.*]] = phi i32 [ [[ADD]], [[IF_ELSE]] ], [ [[MUL]], [[FOR_BODY]] ] |
| ; CHECK-NEXT: store i32 [[STOREMERGE]], ptr [[ARRAYIDX3]], align 4 |
| ; CHECK-NEXT: [[DEC]] = add nsw i32 [[IV]], -1 |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[DEC]], [[M]] |
| ; CHECK-NEXT: [[TMP6:%.*]] = icmp sgt i32 [[DEC]], [[EXIT_MAINLOOP_AT]] |
| ; CHECK-NEXT: [[TMP7:%.*]] = xor i1 [[TMP6]], true |
| ; CHECK-NEXT: br i1 [[TMP7]], label [[MAIN_EXIT_SELECTOR:%.*]], label [[FOR_BODY]] |
| ; CHECK: main.exit.selector: |
| ; CHECK-NEXT: [[DEC_LCSSA:%.*]] = phi i32 [ [[DEC]], [[FOR_INC]] ] |
| ; CHECK-NEXT: [[TMP8:%.*]] = icmp sgt i32 [[DEC_LCSSA]], [[M]] |
| ; CHECK-NEXT: br i1 [[TMP8]], label [[MAIN_PSEUDO_EXIT]], label [[FOR_COND_CLEANUP_LOOPEXIT]] |
| ; CHECK: main.pseudo.exit: |
| ; CHECK-NEXT: [[IV_COPY:%.*]] = phi i32 [ [[IV_PRELOOP_COPY]], [[MAINLOOP:%.*]] ], [ [[DEC_LCSSA]], [[MAIN_EXIT_SELECTOR]] ] |
| ; CHECK-NEXT: [[INDVAR_END2:%.*]] = phi i32 [ [[INDVAR_END]], [[MAINLOOP]] ], [ [[DEC_LCSSA]], [[MAIN_EXIT_SELECTOR]] ] |
| ; CHECK-NEXT: br label [[POSTLOOP:%.*]] |
| ; CHECK: for.body.preloop: |
| ; CHECK-NEXT: [[IV_PRELOOP:%.*]] = phi i32 [ [[DEC_PRELOOP:%.*]], [[FOR_INC_PRELOOP:%.*]] ], [ 1024, [[FOR_BODY_PRELOOP_PREHEADER]] ] |
| ; CHECK-NEXT: [[CMP1_PRELOOP:%.*]] = icmp slt i32 [[IV_PRELOOP]], 1024 |
| ; CHECK-NEXT: [[ARRAYIDX_PRELOOP:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[IV_PRELOOP]] |
| ; CHECK-NEXT: [[TMP9:%.*]] = load i32, ptr [[ARRAYIDX_PRELOOP]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX2_PRELOOP:%.*]] = getelementptr inbounds i32, ptr [[C]], i32 [[IV_PRELOOP]] |
| ; CHECK-NEXT: [[TMP10:%.*]] = load i32, ptr [[ARRAYIDX2_PRELOOP]], align 4 |
| ; CHECK-NEXT: [[MUL_PRELOOP:%.*]] = mul nsw i32 [[TMP10]], [[TMP9]] |
| ; CHECK-NEXT: [[ARRAYIDX3_PRELOOP:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[IV_PRELOOP]] |
| ; CHECK-NEXT: br i1 [[CMP1_PRELOOP]], label [[FOR_INC_PRELOOP]], label [[IF_ELSE_PRELOOP:%.*]] |
| ; CHECK: if.else.preloop: |
| ; CHECK-NEXT: [[TMP11:%.*]] = load i32, ptr [[ARRAYIDX3_PRELOOP]], align 4 |
| ; CHECK-NEXT: [[ADD_PRELOOP:%.*]] = add nsw i32 [[TMP11]], [[MUL_PRELOOP]] |
| ; CHECK-NEXT: br label [[FOR_INC_PRELOOP]] |
| ; CHECK: for.inc.preloop: |
| ; CHECK-NEXT: [[STOREMERGE_PRELOOP:%.*]] = phi i32 [ [[ADD_PRELOOP]], [[IF_ELSE_PRELOOP]] ], [ [[MUL_PRELOOP]], [[FOR_BODY_PRELOOP]] ] |
| ; CHECK-NEXT: store i32 [[STOREMERGE_PRELOOP]], ptr [[ARRAYIDX3_PRELOOP]], align 4 |
| ; CHECK-NEXT: [[DEC_PRELOOP]] = add nsw i32 [[IV_PRELOOP]], -1 |
| ; CHECK-NEXT: [[CMP_PRELOOP:%.*]] = icmp eq i32 [[DEC_PRELOOP]], [[M]] |
| ; CHECK-NEXT: [[TMP12:%.*]] = icmp sgt i32 [[DEC_PRELOOP]], [[EXIT_PRELOOP_AT]] |
| ; CHECK-NEXT: [[TMP13:%.*]] = xor i1 [[TMP12]], true |
| ; CHECK-NEXT: br i1 [[TMP13]], label [[PRELOOP_EXIT_SELECTOR:%.*]], label [[FOR_BODY_PRELOOP]], !llvm.loop [[LOOP15:![0-9]+]], !loop_constrainer.loop.clone !5 |
| ; CHECK: preloop.exit.selector: |
| ; CHECK-NEXT: [[DEC_PRELOOP_LCSSA:%.*]] = phi i32 [ [[DEC_PRELOOP]], [[FOR_INC_PRELOOP]] ] |
| ; CHECK-NEXT: [[TMP14:%.*]] = icmp sgt i32 [[DEC_PRELOOP_LCSSA]], [[M]] |
| ; CHECK-NEXT: br i1 [[TMP14]], label [[PRELOOP_PSEUDO_EXIT]], label [[FOR_COND_CLEANUP_LOOPEXIT]] |
| ; CHECK: preloop.pseudo.exit: |
| ; CHECK-NEXT: [[IV_PRELOOP_COPY]] = phi i32 [ 1024, [[FOR_BODY_PREHEADER]] ], [ [[DEC_PRELOOP_LCSSA]], [[PRELOOP_EXIT_SELECTOR]] ] |
| ; CHECK-NEXT: [[INDVAR_END]] = phi i32 [ 1024, [[FOR_BODY_PREHEADER]] ], [ [[DEC_PRELOOP_LCSSA]], [[PRELOOP_EXIT_SELECTOR]] ] |
| ; CHECK-NEXT: br label [[MAINLOOP]] |
| ; CHECK: postloop: |
| ; CHECK-NEXT: br label [[FOR_BODY_POSTLOOP:%.*]] |
| ; CHECK: for.body.postloop: |
| ; CHECK-NEXT: [[IV_POSTLOOP:%.*]] = phi i32 [ [[DEC_POSTLOOP:%.*]], [[FOR_INC_POSTLOOP:%.*]] ], [ [[IV_COPY]], [[POSTLOOP]] ] |
| ; CHECK-NEXT: [[CMP1_POSTLOOP:%.*]] = icmp slt i32 [[IV_POSTLOOP]], 1024 |
| ; CHECK-NEXT: [[ARRAYIDX_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[B]], i32 [[IV_POSTLOOP]] |
| ; CHECK-NEXT: [[TMP15:%.*]] = load i32, ptr [[ARRAYIDX_POSTLOOP]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX2_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[C]], i32 [[IV_POSTLOOP]] |
| ; CHECK-NEXT: [[TMP16:%.*]] = load i32, ptr [[ARRAYIDX2_POSTLOOP]], align 4 |
| ; CHECK-NEXT: [[MUL_POSTLOOP:%.*]] = mul nsw i32 [[TMP16]], [[TMP15]] |
| ; CHECK-NEXT: [[ARRAYIDX3_POSTLOOP:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[IV_POSTLOOP]] |
| ; CHECK-NEXT: br i1 [[CMP1_POSTLOOP]], label [[FOR_INC_POSTLOOP]], label [[IF_ELSE_POSTLOOP:%.*]] |
| ; CHECK: if.else.postloop: |
| ; CHECK-NEXT: [[TMP17:%.*]] = load i32, ptr [[ARRAYIDX3_POSTLOOP]], align 4 |
| ; CHECK-NEXT: [[ADD_POSTLOOP:%.*]] = add nsw i32 [[TMP17]], [[MUL_POSTLOOP]] |
| ; CHECK-NEXT: br label [[FOR_INC_POSTLOOP]] |
| ; CHECK: for.inc.postloop: |
| ; CHECK-NEXT: [[STOREMERGE_POSTLOOP:%.*]] = phi i32 [ [[ADD_POSTLOOP]], [[IF_ELSE_POSTLOOP]] ], [ [[MUL_POSTLOOP]], [[FOR_BODY_POSTLOOP]] ] |
| ; CHECK-NEXT: store i32 [[STOREMERGE_POSTLOOP]], ptr [[ARRAYIDX3_POSTLOOP]], align 4 |
| ; CHECK-NEXT: [[DEC_POSTLOOP]] = add nsw i32 [[IV_POSTLOOP]], -1 |
| ; CHECK-NEXT: [[CMP_POSTLOOP:%.*]] = icmp eq i32 [[DEC_POSTLOOP]], [[M]] |
| ; CHECK-NEXT: br i1 [[CMP_POSTLOOP]], label [[FOR_COND_CLEANUP_LOOPEXIT_LOOPEXIT:%.*]], label [[FOR_BODY_POSTLOOP]], !llvm.loop [[LOOP16:![0-9]+]], !loop_constrainer.loop.clone !5 |
| ; |
| entry: |
| %cmp14 = icmp slt i32 %M, 1024 |
| br i1 %cmp14, label %for.body, label %for.cond.cleanup |
| |
| for.cond.cleanup: ; preds = %for.inc, %entry |
| ret void |
| |
| for.body: ; preds = %entry, %for.inc |
| %iv = phi i32 [ %dec, %for.inc ], [ 1024, %entry ] |
| %cmp1 = icmp slt i32 %iv, 1024 |
| %arrayidx = getelementptr inbounds i32, ptr %b, i32 %iv |
| %0 = load i32, ptr %arrayidx, align 4 |
| %arrayidx2 = getelementptr inbounds i32, ptr %c, i32 %iv |
| %1 = load i32, ptr %arrayidx2, align 4 |
| %mul = mul nsw i32 %1, %0 |
| %arrayidx3 = getelementptr inbounds i32, ptr %a, i32 %iv |
| br i1 %cmp1, label %for.inc, label %if.else |
| |
| if.else: ; preds = %for.body |
| %2 = load i32, ptr %arrayidx3, align 4 |
| %add = add nsw i32 %2, %mul |
| br label %for.inc |
| |
| for.inc: ; preds = %for.body, %if.else |
| %storemerge = phi i32 [ %add, %if.else ], [ %mul, %for.body ] |
| store i32 %storemerge, ptr %arrayidx3, align 4 |
| %dec = add nsw i32 %iv, -1 |
| %cmp = icmp eq i32 %dec, %M |
| br i1 %cmp, label %for.cond.cleanup, label %for.body |
| } |
| |
| ;; Negative test |
| define void @test_dec_bound_with_smaller_start_than_bound(i64 %0) { |
| ; CHECK-LABEL: define void @test_dec_bound_with_smaller_start_than_bound( |
| ; CHECK-SAME: i64 [[TMP0:%.*]]) { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[DEC:%.*]], [[FOR_DEC:%.*]] ], [ 0, [[ENTRY:%.*]] ] |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp slt i64 [[IV]], [[TMP0]] |
| ; CHECK-NEXT: br i1 [[TMP1]], label [[IF_ELSE:%.*]], label [[FOR_DEC]] |
| ; CHECK: if.else: |
| ; CHECK-NEXT: br label [[FOR_DEC]] |
| ; CHECK: for.dec: |
| ; CHECK-NEXT: [[DEC]] = sub nuw nsw i64 [[IV]], 1 |
| ; CHECK-NEXT: [[TMP2:%.*]] = icmp slt i64 [[DEC]], 1 |
| ; CHECK-NEXT: br i1 [[TMP2]], label [[EXIT:%.*]], label [[FOR_BODY]] |
| ; CHECK: exit: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| br label %for.body |
| |
| for.body: ; preds = %for.dec, %entry |
| %iv = phi i64 [ %dec, %for.dec ], [ 0, %entry ] |
| %1 = icmp slt i64 %iv, %0 |
| br i1 %1, label %if.else, label %for.dec |
| |
| if.else: ; preds = %for.body |
| br label %for.dec |
| |
| for.dec: ; preds = %if.else, %for.body |
| %dec = sub nuw nsw i64 %iv, 1 |
| %2 = icmp slt i64 %dec, 1 |
| br i1 %2, label %exit, label %for.body |
| |
| exit: ; preds = %for.dec |
| ret void |
| } |
| |
| ;; Negative test |
| define void @test_inc_bound_with_bigger_start_than_bound(i32 %0) { |
| ; CHECK-LABEL: define void @test_inc_bound_with_bigger_start_than_bound( |
| ; CHECK-SAME: i32 [[TMP0:%.*]]) { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[IV:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_INC:%.*]] ], [ 200, [[ENTRY:%.*]] ] |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp slt i32 [[IV]], [[TMP0]] |
| ; CHECK-NEXT: br i1 [[TMP1]], label [[IF_ELSE:%.*]], label [[FOR_INC]] |
| ; CHECK: if.else: |
| ; CHECK-NEXT: br label [[FOR_INC]] |
| ; CHECK: for.inc: |
| ; CHECK-NEXT: [[INC]] = add nsw i32 [[IV]], 1 |
| ; CHECK-NEXT: [[TMP2:%.*]] = icmp sgt i32 [[INC]], 100 |
| ; CHECK-NEXT: br i1 [[TMP2]], label [[EXIT:%.*]], label [[FOR_BODY]] |
| ; CHECK: exit: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| br label %for.body |
| |
| for.body: ; preds = %for.inc, %entry |
| %iv = phi i32 [ %inc, %for.inc ], [ 200, %entry ] |
| %1 = icmp slt i32 %iv, %0 |
| br i1 %1, label %if.else, label %for.inc |
| |
| if.else: ; preds = %for.body |
| br label %for.inc |
| |
| for.inc: ; preds = %if.else, %for.body |
| %inc = add nsw i32 %iv, 1 |
| %2 = icmp sgt i32 %inc, 100 |
| br i1 %2, label %exit, label %for.body |
| |
| exit: ; preds = %for.inc |
| ret void |
| } |
