| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -basic-aa -tbaa -loop-unroll-and-jam -allow-unroll-and-jam -unroll-and-jam-count=4 -unroll-remainder < %s -S | FileCheck %s |
| ; RUN: opt -aa-pipeline=tbaa,basic-aa -passes='loop-unroll-and-jam' -allow-unroll-and-jam -unroll-and-jam-count=4 -unroll-remainder < %s -S | FileCheck %s |
| |
| target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" |
| |
| ; CHECK-LABEL: test1 |
| ; Tests for(i) { sum = 0; for(j) sum += B[j]; A[i] = sum; } |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[J:%.*]], 0 |
| ; CHECK-NEXT: [[CMPJ:%.*]] = icmp ne i32 [[I:%.*]], 0 |
| ; CHECK-NEXT: [[OR_COND:%.*]] = and i1 [[CMP]], [[CMPJ]] |
| ; CHECK-NEXT: br i1 [[OR_COND]], label [[FOR_OUTER_PREHEADER:%.*]], label [[FOR_END:%.*]] |
| ; CHECK: for.outer.preheader: |
| ; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[I]], -1 |
| ; CHECK-NEXT: [[XTRAITER:%.*]] = and i32 [[I]], 3 |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i32 [[TMP0]], 3 |
| ; CHECK-NEXT: br i1 [[TMP1]], label [[FOR_END_LOOPEXIT_UNR_LCSSA:%.*]], label [[FOR_OUTER_PREHEADER_NEW:%.*]] |
| ; CHECK: for.outer.preheader.new: |
| ; CHECK-NEXT: [[UNROLL_ITER:%.*]] = sub i32 [[I]], [[XTRAITER]] |
| ; CHECK-NEXT: br label [[FOR_OUTER:%.*]] |
| ; CHECK: for.outer: |
| ; CHECK-NEXT: [[I:%.*]] = phi i32 [ [[ADD8_3:%.*]], [[FOR_LATCH:%.*]] ], [ 0, [[FOR_OUTER_PREHEADER_NEW]] ] |
| ; CHECK-NEXT: [[NITER:%.*]] = phi i32 [ [[UNROLL_ITER]], [[FOR_OUTER_PREHEADER_NEW]] ], [ [[NITER_NSUB_3:%.*]], [[FOR_LATCH]] ] |
| ; CHECK-NEXT: [[ADD8:%.*]] = add nuw nsw i32 [[I]], 1 |
| ; CHECK-NEXT: [[NITER_NSUB:%.*]] = sub i32 [[NITER]], 1 |
| ; CHECK-NEXT: [[ADD8_1:%.*]] = add nuw nsw i32 [[ADD8]], 1 |
| ; CHECK-NEXT: [[NITER_NSUB_1:%.*]] = sub i32 [[NITER_NSUB]], 1 |
| ; CHECK-NEXT: [[ADD8_2:%.*]] = add nuw nsw i32 [[ADD8_1]], 1 |
| ; CHECK-NEXT: [[NITER_NSUB_2:%.*]] = sub i32 [[NITER_NSUB_1]], 1 |
| ; CHECK-NEXT: [[ADD8_3]] = add nuw i32 [[ADD8_2]], 1 |
| ; CHECK-NEXT: [[NITER_NSUB_3]] = sub i32 [[NITER_NSUB_2]], 1 |
| ; CHECK-NEXT: br label [[FOR_INNER:%.*]] |
| ; CHECK: for.inner: |
| ; CHECK-NEXT: [[J_0:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[INC:%.*]], [[FOR_INNER]] ] |
| ; CHECK-NEXT: [[SUM:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[ADD:%.*]], [[FOR_INNER]] ] |
| ; CHECK-NEXT: [[J_1:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[INC_1:%.*]], [[FOR_INNER]] ] |
| ; CHECK-NEXT: [[SUM_1:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[ADD_1:%.*]], [[FOR_INNER]] ] |
| ; CHECK-NEXT: [[J_2:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[INC_2:%.*]], [[FOR_INNER]] ] |
| ; CHECK-NEXT: [[SUM_2:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[ADD_2:%.*]], [[FOR_INNER]] ] |
| ; CHECK-NEXT: [[J_3:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[INC_3:%.*]], [[FOR_INNER]] ] |
| ; CHECK-NEXT: [[SUM_3:%.*]] = phi i32 [ 0, [[FOR_OUTER]] ], [ [[ADD_3:%.*]], [[FOR_INNER]] ] |
| ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i32 [[J_0]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = load i32, i32* [[ARRAYIDX]], align 4, !tbaa !0 |
| ; CHECK-NEXT: [[ADD]] = add i32 [[TMP2]], [[SUM]] |
| ; CHECK-NEXT: [[INC]] = add nuw i32 [[J_0]], 1 |
| ; CHECK-NEXT: [[ARRAYIDX_1:%.*]] = getelementptr inbounds i32, i32* [[B]], i32 [[J_1]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = load i32, i32* [[ARRAYIDX_1]], align 4, !tbaa !0 |
| ; CHECK-NEXT: [[ADD_1]] = add i32 [[TMP3]], [[SUM_1]] |
| ; CHECK-NEXT: [[INC_1]] = add nuw i32 [[J_1]], 1 |
| ; CHECK-NEXT: [[ARRAYIDX_2:%.*]] = getelementptr inbounds i32, i32* [[B]], i32 [[J_2]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = load i32, i32* [[ARRAYIDX_2]], align 4, !tbaa !0 |
| ; CHECK-NEXT: [[ADD_2]] = add i32 [[TMP4]], [[SUM_2]] |
| ; CHECK-NEXT: [[INC_2]] = add nuw i32 [[J_2]], 1 |
| ; CHECK-NEXT: [[ARRAYIDX_3:%.*]] = getelementptr inbounds i32, i32* [[B]], i32 [[J_3]] |
| ; CHECK-NEXT: [[TMP5:%.*]] = load i32, i32* [[ARRAYIDX_3]], align 4, !tbaa !0 |
| ; CHECK-NEXT: [[ADD_3]] = add i32 [[TMP5]], [[SUM_3]] |
| ; CHECK-NEXT: [[INC_3]] = add nuw i32 [[J_3]], 1 |
| ; CHECK-NEXT: [[EXITCOND_3:%.*]] = icmp eq i32 [[INC_3]], [[J]] |
| ; CHECK-NEXT: br i1 [[EXITCOND_3]], label [[FOR_LATCH]], label [[FOR_INNER]] |
| ; CHECK: for.latch: |
| ; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i32 [ [[ADD]], [[FOR_INNER]] ] |
| ; CHECK-NEXT: [[ADD_LCSSA_1:%.*]] = phi i32 [ [[ADD_1]], [[FOR_INNER]] ] |
| ; CHECK-NEXT: [[ADD_LCSSA_2:%.*]] = phi i32 [ [[ADD_2]], [[FOR_INNER]] ] |
| ; CHECK-NEXT: [[ADD_LCSSA_3:%.*]] = phi i32 [ [[ADD_3]], [[FOR_INNER]] ] |
| ; CHECK-NEXT: [[ARRAYIDX6:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[I]] |
| ; CHECK-NEXT: store i32 [[ADD_LCSSA]], i32* [[ARRAYIDX6]], align 4, !tbaa !0 |
| ; CHECK-NEXT: [[ARRAYIDX6_1:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[ADD8]] |
| ; CHECK-NEXT: store i32 [[ADD_LCSSA_1]], i32* [[ARRAYIDX6_1]], align 4, !tbaa !0 |
| ; CHECK-NEXT: [[ARRAYIDX6_2:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[ADD8_1]] |
| ; CHECK-NEXT: store i32 [[ADD_LCSSA_2]], i32* [[ARRAYIDX6_2]], align 4, !tbaa !0 |
| ; CHECK-NEXT: [[ARRAYIDX6_3:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[ADD8_2]] |
| ; CHECK-NEXT: store i32 [[ADD_LCSSA_3]], i32* [[ARRAYIDX6_3]], align 4, !tbaa !0 |
| ; CHECK-NEXT: [[NITER_NCMP_3:%.*]] = icmp eq i32 [[NITER_NSUB_3]], 0 |
| ; CHECK-NEXT: br i1 [[NITER_NCMP_3]], label [[FOR_END_LOOPEXIT_UNR_LCSSA_LOOPEXIT:%.*]], label [[FOR_OUTER]], !llvm.loop !4 |
| ; CHECK: for.end.loopexit.unr-lcssa.loopexit: |
| ; CHECK-NEXT: [[I_UNR_PH:%.*]] = phi i32 [ [[ADD8_3]], [[FOR_LATCH]] ] |
| ; CHECK-NEXT: br label [[FOR_END_LOOPEXIT_UNR_LCSSA]] |
| ; CHECK: for.end.loopexit.unr-lcssa: |
| ; CHECK-NEXT: [[I_UNR:%.*]] = phi i32 [ 0, [[FOR_OUTER_PREHEADER]] ], [ [[I_UNR_PH]], [[FOR_END_LOOPEXIT_UNR_LCSSA_LOOPEXIT]] ] |
| ; CHECK-NEXT: [[LCMP_MOD:%.*]] = icmp ne i32 [[XTRAITER]], 0 |
| ; CHECK-NEXT: br i1 [[LCMP_MOD]], label [[FOR_OUTER_EPIL_PREHEADER:%.*]], label [[FOR_END_LOOPEXIT:%.*]] |
| ; CHECK: for.outer.epil.preheader: |
| ; CHECK-NEXT: br label [[FOR_OUTER_EPIL:%.*]] |
| ; CHECK: for.outer.epil: |
| ; CHECK-NEXT: br label [[FOR_INNER_EPIL:%.*]] |
| ; CHECK: for.inner.epil: |
| ; CHECK-NEXT: [[J_EPIL:%.*]] = phi i32 [ 0, [[FOR_OUTER_EPIL]] ], [ [[INC_EPIL:%.*]], [[FOR_INNER_EPIL]] ] |
| ; CHECK-NEXT: [[SUM_EPIL:%.*]] = phi i32 [ 0, [[FOR_OUTER_EPIL]] ], [ [[ADD_EPIL:%.*]], [[FOR_INNER_EPIL]] ] |
| ; CHECK-NEXT: [[ARRAYIDX_EPIL:%.*]] = getelementptr inbounds i32, i32* [[B]], i32 [[J_EPIL]] |
| ; CHECK-NEXT: [[TMP6:%.*]] = load i32, i32* [[ARRAYIDX_EPIL]], align 4, !tbaa !0 |
| ; CHECK-NEXT: [[ADD_EPIL]] = add i32 [[TMP6]], [[SUM_EPIL]] |
| ; CHECK-NEXT: [[INC_EPIL]] = add nuw i32 [[J_EPIL]], 1 |
| ; CHECK-NEXT: [[EXITCOND_EPIL:%.*]] = icmp eq i32 [[INC_EPIL]], [[J]] |
| ; CHECK-NEXT: br i1 [[EXITCOND_EPIL]], label [[FOR_LATCH_EPIL:%.*]], label [[FOR_INNER_EPIL]] |
| ; CHECK: for.latch.epil: |
| ; CHECK-NEXT: [[ADD_LCSSA_EPIL:%.*]] = phi i32 [ [[ADD_EPIL]], [[FOR_INNER_EPIL]] ] |
| ; CHECK-NEXT: [[ARRAYIDX6_EPIL:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[I_UNR]] |
| ; CHECK-NEXT: store i32 [[ADD_LCSSA_EPIL]], i32* [[ARRAYIDX6_EPIL]], align 4, !tbaa !0 |
| ; CHECK-NEXT: [[ADD8_EPIL:%.*]] = add nuw i32 [[I_UNR]], 1 |
| ; CHECK-NEXT: [[EPIL_ITER_SUB:%.*]] = sub i32 [[XTRAITER]], 1 |
| ; CHECK-NEXT: [[EPIL_ITER_CMP:%.*]] = icmp ne i32 [[EPIL_ITER_SUB]], 0 |
| ; CHECK-NEXT: br i1 [[EPIL_ITER_CMP]], label [[FOR_OUTER_EPIL_1:%.*]], label [[FOR_END_LOOPEXIT_EPILOG_LCSSA:%.*]] |
| ; CHECK: for.end.loopexit.epilog-lcssa: |
| ; CHECK-NEXT: br label [[FOR_END_LOOPEXIT]] |
| ; CHECK: for.end.loopexit: |
| ; CHECK-NEXT: br label [[FOR_END]] |
| ; CHECK: for.end: |
| ; CHECK-NEXT: ret void |
| ; CHECK: for.outer.epil.1: |
| ; CHECK-NEXT: br label [[FOR_INNER_EPIL_1:%.*]] |
| ; CHECK: for.inner.epil.1: |
| ; CHECK-NEXT: [[J_EPIL_1:%.*]] = phi i32 [ 0, [[FOR_OUTER_EPIL_1]] ], [ [[INC_EPIL_1:%.*]], [[FOR_INNER_EPIL_1]] ] |
| ; CHECK-NEXT: [[SUM_EPIL_1:%.*]] = phi i32 [ 0, [[FOR_OUTER_EPIL_1]] ], [ [[ADD_EPIL_1:%.*]], [[FOR_INNER_EPIL_1]] ] |
| ; CHECK-NEXT: [[ARRAYIDX_EPIL_1:%.*]] = getelementptr inbounds i32, i32* [[B]], i32 [[J_EPIL_1]] |
| ; CHECK-NEXT: [[TMP7:%.*]] = load i32, i32* [[ARRAYIDX_EPIL_1]], align 4, !tbaa !0 |
| ; CHECK-NEXT: [[ADD_EPIL_1]] = add i32 [[TMP7]], [[SUM_EPIL_1]] |
| ; CHECK-NEXT: [[INC_EPIL_1]] = add nuw i32 [[J_EPIL_1]], 1 |
| ; CHECK-NEXT: [[EXITCOND_EPIL_1:%.*]] = icmp eq i32 [[INC_EPIL_1]], [[J]] |
| ; CHECK-NEXT: br i1 [[EXITCOND_EPIL_1]], label [[FOR_LATCH_EPIL_1:%.*]], label [[FOR_INNER_EPIL_1]] |
| ; CHECK: for.latch.epil.1: |
| ; CHECK-NEXT: [[ADD_LCSSA_EPIL_1:%.*]] = phi i32 [ [[ADD_EPIL_1]], [[FOR_INNER_EPIL_1]] ] |
| ; CHECK-NEXT: [[ARRAYIDX6_EPIL_1:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[ADD8_EPIL]] |
| ; CHECK-NEXT: store i32 [[ADD_LCSSA_EPIL_1]], i32* [[ARRAYIDX6_EPIL_1]], align 4, !tbaa !0 |
| ; CHECK-NEXT: [[ADD8_EPIL_1:%.*]] = add nuw i32 [[ADD8_EPIL]], 1 |
| ; CHECK-NEXT: [[EPIL_ITER_SUB_1:%.*]] = sub i32 [[EPIL_ITER_SUB]], 1 |
| ; CHECK-NEXT: [[EPIL_ITER_CMP_1:%.*]] = icmp ne i32 [[EPIL_ITER_SUB_1]], 0 |
| ; CHECK-NEXT: br i1 [[EPIL_ITER_CMP_1]], label [[FOR_OUTER_EPIL_2:%.*]], label [[FOR_END_LOOPEXIT_EPILOG_LCSSA]] |
| ; CHECK: for.outer.epil.2: |
| ; CHECK-NEXT: br label [[FOR_INNER_EPIL_2:%.*]] |
| ; CHECK: for.inner.epil.2: |
| ; CHECK-NEXT: [[J_EPIL_2:%.*]] = phi i32 [ 0, [[FOR_OUTER_EPIL_2]] ], [ [[INC_EPIL_2:%.*]], [[FOR_INNER_EPIL_2]] ] |
| ; CHECK-NEXT: [[SUM_EPIL_2:%.*]] = phi i32 [ 0, [[FOR_OUTER_EPIL_2]] ], [ [[ADD_EPIL_2:%.*]], [[FOR_INNER_EPIL_2]] ] |
| ; CHECK-NEXT: [[ARRAYIDX_EPIL_2:%.*]] = getelementptr inbounds i32, i32* [[B]], i32 [[J_EPIL_2]] |
| ; CHECK-NEXT: [[TMP8:%.*]] = load i32, i32* [[ARRAYIDX_EPIL_2]], align 4, !tbaa !0 |
| ; CHECK-NEXT: [[ADD_EPIL_2]] = add i32 [[TMP8]], [[SUM_EPIL_2]] |
| ; CHECK-NEXT: [[INC_EPIL_2]] = add nuw i32 [[J_EPIL_2]], 1 |
| ; CHECK-NEXT: [[EXITCOND_EPIL_2:%.*]] = icmp eq i32 [[INC_EPIL_2]], [[J]] |
| ; CHECK-NEXT: br i1 [[EXITCOND_EPIL_2]], label [[FOR_LATCH_EPIL_2:%.*]], label [[FOR_INNER_EPIL_2]] |
| ; CHECK: for.latch.epil.2: |
| ; CHECK-NEXT: [[ADD_LCSSA_EPIL_2:%.*]] = phi i32 [ [[ADD_EPIL_2]], [[FOR_INNER_EPIL_2]] ] |
| ; CHECK-NEXT: [[ARRAYIDX6_EPIL_2:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[ADD8_EPIL_1]] |
| ; CHECK-NEXT: store i32 [[ADD_LCSSA_EPIL_2]], i32* [[ARRAYIDX6_EPIL_2]], align 4, !tbaa !0 |
| ; CHECK-NEXT: [[ADD8_EPIL_2:%.*]] = add nuw i32 [[ADD8_EPIL_1]], 1 |
| ; CHECK-NEXT: [[EPIL_ITER_SUB_2:%.*]] = sub i32 [[EPIL_ITER_SUB_1]], 1 |
| ; CHECK-NEXT: br label [[FOR_END_LOOPEXIT_EPILOG_LCSSA]] |
| define void @test1(i32 %I, i32 %J, i32* noalias nocapture %A, i32* noalias nocapture readonly %B) #0 { |
| entry: |
| %cmp = icmp ne i32 %J, 0 |
| %cmpJ = icmp ne i32 %I, 0 |
| %or.cond = and i1 %cmp, %cmpJ |
| br i1 %or.cond, label %for.outer.preheader, label %for.end |
| |
| for.outer.preheader: |
| br label %for.outer |
| |
| for.outer: |
| %i = phi i32 [ %add8, %for.latch ], [ 0, %for.outer.preheader ] |
| br label %for.inner |
| |
| for.inner: |
| %j = phi i32 [ 0, %for.outer ], [ %inc, %for.inner ] |
| %sum = phi i32 [ 0, %for.outer ], [ %add, %for.inner ] |
| %arrayidx = getelementptr inbounds i32, i32* %B, i32 %j |
| %0 = load i32, i32* %arrayidx, align 4, !tbaa !5 |
| %add = add i32 %0, %sum |
| %inc = add nuw i32 %j, 1 |
| %exitcond = icmp eq i32 %inc, %J |
| br i1 %exitcond, label %for.latch, label %for.inner |
| |
| for.latch: |
| %add.lcssa = phi i32 [ %add, %for.inner ] |
| %arrayidx6 = getelementptr inbounds i32, i32* %A, i32 %i |
| store i32 %add.lcssa, i32* %arrayidx6, align 4, !tbaa !5 |
| %add8 = add nuw i32 %i, 1 |
| %exitcond25 = icmp eq i32 %add8, %I |
| br i1 %exitcond25, label %for.end.loopexit, label %for.outer |
| |
| for.end.loopexit: |
| br label %for.end |
| |
| for.end: |
| ret void |
| } |
| |
| |
| ; CHECK-LABEL: test2 |
| ; Tests for(i) { sum = A[i]; for(j) sum += B[j]; A[i] = sum; } |
| ; A[i] load/store dependency should not block unroll-and-jam |
| ; CHECK: for.outer: |
| ; CHECK: %i = phi i32 [ %add9.3, %for.latch ], [ 0, %for.outer.preheader.new ] |
| ; CHECK: %niter = phi i32 [ %unroll_iter, %for.outer.preheader.new ], [ %niter.nsub.3, %for.latch ] |
| ; CHECK: br label %for.inner |
| ; CHECK: for.inner: |
| ; CHECK: %j = phi i32 [ 0, %for.outer ], [ %inc, %for.inner ] |
| ; CHECK: %sum = phi i32 [ %2, %for.outer ], [ %add, %for.inner ] |
| ; CHECK: %j.1 = phi i32 [ 0, %for.outer ], [ %inc.1, %for.inner ] |
| ; CHECK: %sum.1 = phi i32 [ %3, %for.outer ], [ %add.1, %for.inner ] |
| ; CHECK: %j.2 = phi i32 [ 0, %for.outer ], [ %inc.2, %for.inner ] |
| ; CHECK: %sum.2 = phi i32 [ %4, %for.outer ], [ %add.2, %for.inner ] |
| ; CHECK: %j.3 = phi i32 [ 0, %for.outer ], [ %inc.3, %for.inner ] |
| ; CHECK: %sum.3 = phi i32 [ %5, %for.outer ], [ %add.3, %for.inner ] |
| ; CHECK: br i1 %exitcond.3, label %for.latch, label %for.inner |
| ; CHECK: for.latch: |
| ; CHECK: %add.lcssa = phi i32 [ %add, %for.inner ] |
| ; CHECK: %add.lcssa.1 = phi i32 [ %add.1, %for.inner ] |
| ; CHECK: %add.lcssa.2 = phi i32 [ %add.2, %for.inner ] |
| ; CHECK: %add.lcssa.3 = phi i32 [ %add.3, %for.inner ] |
| ; CHECK: br i1 %niter.ncmp.3, label %for.end10.loopexit.unr-lcssa.loopexit, label %for.outer |
| ; CHECK: for.end10.loopexit.unr-lcssa.loopexit: |
| define void @test2(i32 %I, i32 %J, i32* noalias nocapture %A, i32* noalias nocapture readonly %B) #0 { |
| entry: |
| %cmp = icmp ne i32 %J, 0 |
| %cmp125 = icmp ne i32 %I, 0 |
| %or.cond = and i1 %cmp, %cmp125 |
| br i1 %or.cond, label %for.outer.preheader, label %for.end10 |
| |
| for.outer.preheader: |
| br label %for.outer |
| |
| for.outer: |
| %i = phi i32 [ %add9, %for.latch ], [ 0, %for.outer.preheader ] |
| %arrayidx = getelementptr inbounds i32, i32* %A, i32 %i |
| %0 = load i32, i32* %arrayidx, align 4, !tbaa !5 |
| br label %for.inner |
| |
| for.inner: |
| %j = phi i32 [ 0, %for.outer ], [ %inc, %for.inner ] |
| %sum = phi i32 [ %0, %for.outer ], [ %add, %for.inner ] |
| %arrayidx6 = getelementptr inbounds i32, i32* %B, i32 %j |
| %1 = load i32, i32* %arrayidx6, align 4, !tbaa !5 |
| %add = add i32 %1, %sum |
| %inc = add nuw i32 %j, 1 |
| %exitcond = icmp eq i32 %inc, %J |
| br i1 %exitcond, label %for.latch, label %for.inner |
| |
| for.latch: |
| %add.lcssa = phi i32 [ %add, %for.inner ] |
| store i32 %add.lcssa, i32* %arrayidx, align 4, !tbaa !5 |
| %add9 = add nuw i32 %i, 1 |
| %exitcond28 = icmp eq i32 %add9, %I |
| br i1 %exitcond28, label %for.end10.loopexit, label %for.outer |
| |
| for.end10.loopexit: |
| br label %for.end10 |
| |
| for.end10: |
| ret void |
| } |
| |
| |
| ; CHECK-LABEL: test3 |
| ; Tests Complete unroll-and-jam of the outer loop |
| ; CHECK: for.outer: |
| ; CHECK: br label %for.inner |
| ; CHECK: for.inner: |
| ; CHECK: %j = phi i32 [ 0, %for.outer ], [ %inc, %for.inner ] |
| ; CHECK: %sum = phi i32 [ 0, %for.outer ], [ %add, %for.inner ] |
| ; CHECK: %j.1 = phi i32 [ 0, %for.outer ], [ %inc.1, %for.inner ] |
| ; CHECK: %sum.1 = phi i32 [ 0, %for.outer ], [ %add.1, %for.inner ] |
| ; CHECK: %j.2 = phi i32 [ 0, %for.outer ], [ %inc.2, %for.inner ] |
| ; CHECK: %sum.2 = phi i32 [ 0, %for.outer ], [ %add.2, %for.inner ] |
| ; CHECK: %j.3 = phi i32 [ 0, %for.outer ], [ %inc.3, %for.inner ] |
| ; CHECK: %sum.3 = phi i32 [ 0, %for.outer ], [ %add.3, %for.inner ] |
| ; CHECK: br i1 %exitcond.3, label %for.latch, label %for.inner |
| ; CHECK: for.latch: |
| ; CHECK: %add.lcssa = phi i32 [ %add, %for.inner ] |
| ; CHECK: %add.lcssa.1 = phi i32 [ %add.1, %for.inner ] |
| ; CHECK: %add.lcssa.2 = phi i32 [ %add.2, %for.inner ] |
| ; CHECK: %add.lcssa.3 = phi i32 [ %add.3, %for.inner ] |
| ; CHECK: br label %for.end |
| ; CHECK: for.end: |
| define void @test3(i32 %I, i32 %J, i32* noalias nocapture %A, i32* noalias nocapture readonly %B) #0 { |
| entry: |
| %cmp = icmp eq i32 %J, 0 |
| br i1 %cmp, label %for.end, label %for.preheader |
| |
| for.preheader: |
| br label %for.outer |
| |
| for.outer: |
| %i = phi i32 [ %add8, %for.latch ], [ 0, %for.preheader ] |
| br label %for.inner |
| |
| for.inner: |
| %j = phi i32 [ 0, %for.outer ], [ %inc, %for.inner ] |
| %sum = phi i32 [ 0, %for.outer ], [ %add, %for.inner ] |
| %arrayidx = getelementptr inbounds i32, i32* %B, i32 %j |
| %0 = load i32, i32* %arrayidx, align 4, !tbaa !5 |
| %sub = add i32 %sum, 10 |
| %add = sub i32 %sub, %0 |
| %inc = add nuw i32 %j, 1 |
| %exitcond = icmp eq i32 %inc, %J |
| br i1 %exitcond, label %for.latch, label %for.inner |
| |
| for.latch: |
| %arrayidx6 = getelementptr inbounds i32, i32* %A, i32 %i |
| store i32 %add, i32* %arrayidx6, align 4, !tbaa !5 |
| %add8 = add nuw nsw i32 %i, 1 |
| %exitcond23 = icmp eq i32 %add8, 4 |
| br i1 %exitcond23, label %for.end, label %for.outer |
| |
| for.end: |
| ret void |
| } |
| |
| |
| ; CHECK-LABEL: test4 |
| ; Tests Complete unroll-and-jam with a trip count of 1 |
| ; CHECK: for.outer: |
| ; CHECK: br label %for.inner |
| ; CHECK: for.inner: |
| ; CHECK: %j = phi i32 [ 0, %for.outer ], [ %inc, %for.inner ] |
| ; CHECK: %sum = phi i32 [ 0, %for.outer ], [ %add, %for.inner ] |
| ; CHECK: br i1 %exitcond, label %for.latch, label %for.inner |
| ; CHECK: for.latch: |
| ; CHECK: %add.lcssa = phi i32 [ %add, %for.inner ] |
| ; CHECK: br label %for.end |
| ; CHECK: for.end: |
| define void @test4(i32 %I, i32 %J, i32* noalias nocapture %A, i32* noalias nocapture readonly %B) #0 { |
| entry: |
| %cmp = icmp eq i32 %J, 0 |
| br i1 %cmp, label %for.end, label %for.preheader |
| |
| for.preheader: |
| br label %for.outer |
| |
| for.outer: |
| %i = phi i32 [ %add8, %for.latch ], [ 0, %for.preheader ] |
| br label %for.inner |
| |
| for.inner: |
| %j = phi i32 [ 0, %for.outer ], [ %inc, %for.inner ] |
| %sum = phi i32 [ 0, %for.outer ], [ %add, %for.inner ] |
| %arrayidx = getelementptr inbounds i32, i32* %B, i32 %j |
| %0 = load i32, i32* %arrayidx, align 4, !tbaa !5 |
| %sub = add i32 %sum, 10 |
| %add = sub i32 %sub, %0 |
| %inc = add nuw i32 %j, 1 |
| %exitcond = icmp eq i32 %inc, %J |
| br i1 %exitcond, label %for.latch, label %for.inner |
| |
| for.latch: |
| %arrayidx6 = getelementptr inbounds i32, i32* %A, i32 %i |
| store i32 %add, i32* %arrayidx6, align 4, !tbaa !5 |
| %add8 = add nuw nsw i32 %i, 1 |
| %exitcond23 = icmp eq i32 %add8, 1 |
| br i1 %exitcond23, label %for.end, label %for.outer |
| |
| for.end: |
| ret void |
| } |
| |
| |
| ; CHECK-LABEL: test5 |
| ; Multiple SubLoopBlocks |
| ; CHECK: for.outer: |
| ; CHECK: br label %for.inner |
| ; CHECK: for.inner: |
| ; CHECK: %inc8.sink15 = phi i32 [ 0, %for.outer ], [ %inc8, %for.inc.1 ] |
| ; CHECK: %inc8.sink15.1 = phi i32 [ 0, %for.outer ], [ %inc8.1, %for.inc.1 ] |
| ; CHECK: br label %for.inner2 |
| ; CHECK: for.inner2: |
| ; CHECK: br i1 %tobool, label %for.cond4, label %for.inc |
| ; CHECK: for.cond4: |
| ; CHECK: br i1 %tobool.1, label %for.cond4a, label %for.inc |
| ; CHECK: for.cond4a: |
| ; CHECK: br label %for.inc |
| ; CHECK: for.inc: |
| ; CHECK: br i1 %tobool.11, label %for.cond4.1, label %for.inc.1 |
| ; CHECK: for.latch: |
| ; CHECK: br label %for.end |
| ; CHECK: for.end: |
| ; CHECK: ret i32 0 |
| ; CHECK: for.cond4.1: |
| ; CHECK: br i1 %tobool.1.1, label %for.cond4a.1, label %for.inc.1 |
| ; CHECK: for.cond4a.1: |
| ; CHECK: br label %for.inc.1 |
| ; CHECK: for.inc.1: |
| ; CHECK: br i1 %exitcond.1, label %for.latch, label %for.inner |
| @a = hidden global [1 x i32] zeroinitializer, align 4 |
| define i32 @test5() #0 { |
| entry: |
| br label %for.outer |
| |
| for.outer: |
| %.sink16 = phi i32 [ 0, %entry ], [ %add, %for.latch ] |
| br label %for.inner |
| |
| for.inner: |
| %inc8.sink15 = phi i32 [ 0, %for.outer ], [ %inc8, %for.inc ] |
| br label %for.inner2 |
| |
| for.inner2: |
| %l1 = load i32, i32* getelementptr inbounds ([1 x i32], [1 x i32]* @a, i32 0, i32 0), align 4 |
| %tobool = icmp eq i32 %l1, 0 |
| br i1 %tobool, label %for.cond4, label %for.inc |
| |
| for.cond4: |
| %l0 = load i32, i32* getelementptr inbounds ([1 x i32], [1 x i32]* @a, i32 1, i32 0), align 4 |
| %tobool.1 = icmp eq i32 %l0, 0 |
| br i1 %tobool.1, label %for.cond4a, label %for.inc |
| |
| for.cond4a: |
| br label %for.inc |
| |
| for.inc: |
| %l2 = phi i32 [ 0, %for.inner2 ], [ 1, %for.cond4 ], [ 2, %for.cond4a ] |
| %inc8 = add nuw nsw i32 %inc8.sink15, 1 |
| %exitcond = icmp eq i32 %inc8, 3 |
| br i1 %exitcond, label %for.latch, label %for.inner |
| |
| for.latch: |
| %.lcssa = phi i32 [ %l2, %for.inc ] |
| %conv11 = and i32 %.sink16, 255 |
| %add = add nuw nsw i32 %conv11, 4 |
| %cmp = icmp eq i32 %add, 8 |
| br i1 %cmp, label %for.end, label %for.outer |
| |
| for.end: |
| %.lcssa.lcssa = phi i32 [ %.lcssa, %for.latch ] |
| ret i32 0 |
| } |
| |
| |
| ; CHECK-LABEL: test6 |
| ; Test odd uses of phi nodes |
| ; CHECK: for.outer: |
| ; CHECK: br label %for.inner |
| ; CHECK: for.inner: |
| ; CHECK: br i1 %exitcond.3, label %for.inner, label %for.latch |
| ; CHECK: for.latch: |
| ; CHECK: br label %for.end |
| ; CHECK: for.end: |
| ; CHECK: ret i32 0 |
| @f = hidden global i32 0, align 4 |
| define i32 @test6() #0 { |
| entry: |
| %f.promoted10 = load i32, i32* @f, align 4, !tbaa !5 |
| br label %for.outer |
| |
| for.outer: |
| %p0 = phi i32 [ %f.promoted10, %entry ], [ 2, %for.latch ] |
| %inc5.sink9 = phi i32 [ 2, %entry ], [ %inc5, %for.latch ] |
| br label %for.inner |
| |
| for.inner: |
| %p1 = phi i32 [ %p0, %for.outer ], [ 2, %for.inner ] |
| %inc.sink8 = phi i32 [ 0, %for.outer ], [ %inc, %for.inner ] |
| %inc = add nuw nsw i32 %inc.sink8, 1 |
| %exitcond = icmp ne i32 %inc, 7 |
| br i1 %exitcond, label %for.inner, label %for.latch |
| |
| for.latch: |
| %.lcssa = phi i32 [ %p1, %for.inner ] |
| %inc5 = add nuw nsw i32 %inc5.sink9, 1 |
| %exitcond11 = icmp ne i32 %inc5, 7 |
| br i1 %exitcond11, label %for.outer, label %for.end |
| |
| for.end: |
| %.lcssa.lcssa = phi i32 [ %.lcssa, %for.latch ] |
| %inc.lcssa.lcssa = phi i32 [ 7, %for.latch ] |
| ret i32 0 |
| } |
| |
| |
| ; CHECK-LABEL: test7 |
| ; Has a positive dependency between two stores. Still valid. |
| ; The negative dependecy is in unroll-and-jam-disabled.ll |
| ; CHECK: for.outer: |
| ; CHECK: %i = phi i32 [ %add.3, %for.latch ], [ 0, %for.preheader.new ] |
| ; CHECK: %niter = phi i32 [ %unroll_iter, %for.preheader.new ], [ %niter.nsub.3, %for.latch ] |
| ; CHECK: br label %for.inner |
| ; CHECK: for.latch: |
| ; CHECK: %add9.lcssa = phi i32 [ %add9, %for.inner ] |
| ; CHECK: %add9.lcssa.1 = phi i32 [ %add9.1, %for.inner ] |
| ; CHECK: %add9.lcssa.2 = phi i32 [ %add9.2, %for.inner ] |
| ; CHECK: %add9.lcssa.3 = phi i32 [ %add9.3, %for.inner ] |
| ; CHECK: br i1 %niter.ncmp.3, label %for.end.loopexit.unr-lcssa.loopexit, label %for.outer |
| ; CHECK: for.inner: |
| ; CHECK: %sum = phi i32 [ 0, %for.outer ], [ %add9, %for.inner ] |
| ; CHECK: %j = phi i32 [ 0, %for.outer ], [ %add10, %for.inner ] |
| ; CHECK: %sum.1 = phi i32 [ 0, %for.outer ], [ %add9.1, %for.inner ] |
| ; CHECK: %j.1 = phi i32 [ 0, %for.outer ], [ %add10.1, %for.inner ] |
| ; CHECK: %sum.2 = phi i32 [ 0, %for.outer ], [ %add9.2, %for.inner ] |
| ; CHECK: %j.2 = phi i32 [ 0, %for.outer ], [ %add10.2, %for.inner ] |
| ; CHECK: %sum.3 = phi i32 [ 0, %for.outer ], [ %add9.3, %for.inner ] |
| ; CHECK: %j.3 = phi i32 [ 0, %for.outer ], [ %add10.3, %for.inner ] |
| ; CHECK: br i1 %exitcond.3, label %for.latch, label %for.inner |
| ; CHECK: for.end.loopexit.unr-lcssa.loopexit: |
| define void @test7(i32 %I, i32 %J, i32* noalias nocapture %A, i32* noalias nocapture readonly %B) #0 { |
| entry: |
| %cmp = icmp ne i32 %J, 0 |
| %cmp128 = icmp ne i32 %I, 0 |
| %or.cond = and i1 %cmp128, %cmp |
| br i1 %or.cond, label %for.preheader, label %for.end |
| |
| for.preheader: |
| br label %for.outer |
| |
| for.outer: |
| %i = phi i32 [ %add, %for.latch ], [ 0, %for.preheader ] |
| %arrayidx = getelementptr inbounds i32, i32* %A, i32 %i |
| store i32 0, i32* %arrayidx, align 4, !tbaa !5 |
| %add = add nuw i32 %i, 1 |
| %arrayidx2 = getelementptr inbounds i32, i32* %A, i32 %add |
| store i32 2, i32* %arrayidx2, align 4, !tbaa !5 |
| br label %for.inner |
| |
| for.latch: |
| store i32 %add9, i32* %arrayidx, align 4, !tbaa !5 |
| %exitcond30 = icmp eq i32 %add, %I |
| br i1 %exitcond30, label %for.end, label %for.outer |
| |
| for.inner: |
| %sum = phi i32 [ 0, %for.outer ], [ %add9, %for.inner ] |
| %j = phi i32 [ 0, %for.outer ], [ %add10, %for.inner ] |
| %arrayidx7 = getelementptr inbounds i32, i32* %B, i32 %j |
| %l1 = load i32, i32* %arrayidx7, align 4, !tbaa !5 |
| %add9 = add i32 %l1, %sum |
| %add10 = add nuw i32 %j, 1 |
| %exitcond = icmp eq i32 %add10, %J |
| br i1 %exitcond, label %for.latch, label %for.inner |
| |
| for.end: |
| ret void |
| } |
| |
| |
| ; CHECK-LABEL: test8 |
| ; Same as test7 with an extra outer loop nest |
| ; CHECK: for.outest: |
| ; CHECK: br label %for.outer |
| ; CHECK: for.outer: |
| ; CHECK: %i = phi i32 [ %add.3, %for.latch ], [ 0, %for.outest.new ] |
| ; CHECK: %niter = phi i32 [ %unroll_iter, %for.outest.new ], [ %niter.nsub.3, %for.latch ] |
| ; CHECK: br label %for.inner |
| ; CHECK: for.inner: |
| ; CHECK: %sum = phi i32 [ 0, %for.outer ], [ %add9, %for.inner ] |
| ; CHECK: %j = phi i32 [ 0, %for.outer ], [ %add10, %for.inner ] |
| ; CHECK: %sum.1 = phi i32 [ 0, %for.outer ], [ %add9.1, %for.inner ] |
| ; CHECK: %j.1 = phi i32 [ 0, %for.outer ], [ %add10.1, %for.inner ] |
| ; CHECK: %sum.2 = phi i32 [ 0, %for.outer ], [ %add9.2, %for.inner ] |
| ; CHECK: %j.2 = phi i32 [ 0, %for.outer ], [ %add10.2, %for.inner ] |
| ; CHECK: %sum.3 = phi i32 [ 0, %for.outer ], [ %add9.3, %for.inner ] |
| ; CHECK: %j.3 = phi i32 [ 0, %for.outer ], [ %add10.3, %for.inner ] |
| ; CHECK: br i1 %exitcond.3, label %for.latch, label %for.inner |
| ; CHECK: for.latch: |
| ; CHECK: %add9.lcssa = phi i32 [ %add9, %for.inner ] |
| ; CHECK: %add9.lcssa.1 = phi i32 [ %add9.1, %for.inner ] |
| ; CHECK: %add9.lcssa.2 = phi i32 [ %add9.2, %for.inner ] |
| ; CHECK: %add9.lcssa.3 = phi i32 [ %add9.3, %for.inner ] |
| ; CHECK: br i1 %niter.ncmp.3, label %for.cleanup.unr-lcssa.loopexit, label %for.outer |
| ; CHECK: for.cleanup.epilog-lcssa: |
| ; CHECK: br label %for.cleanup |
| ; CHECK: for.cleanup: |
| ; CHECK: br i1 %exitcond41, label %for.end.loopexit, label %for.outest |
| ; CHECK: for.end.loopexit: |
| ; CHECK: br label %for.end |
| define void @test8(i32 %I, i32 %J, i32* noalias nocapture %A, i32* noalias nocapture readonly %B) #0 { |
| entry: |
| %cmp = icmp eq i32 %J, 0 |
| %cmp336 = icmp eq i32 %I, 0 |
| %or.cond = or i1 %cmp, %cmp336 |
| br i1 %or.cond, label %for.end, label %for.preheader |
| |
| for.preheader: |
| br label %for.outest |
| |
| for.outest: |
| %x.038 = phi i32 [ %inc, %for.cleanup ], [ 0, %for.preheader ] |
| br label %for.outer |
| |
| for.outer: |
| %i = phi i32 [ %add, %for.latch ], [ 0, %for.outest ] |
| %arrayidx = getelementptr inbounds i32, i32* %A, i32 %i |
| store i32 0, i32* %arrayidx, align 4, !tbaa !5 |
| %add = add nuw i32 %i, 1 |
| %arrayidx6 = getelementptr inbounds i32, i32* %A, i32 %add |
| store i32 2, i32* %arrayidx6, align 4, !tbaa !5 |
| br label %for.inner |
| |
| for.inner: |
| %sum = phi i32 [ 0, %for.outer ], [ %add9, %for.inner ] |
| %j = phi i32 [ 0, %for.outer ], [ %add10, %for.inner ] |
| %arrayidx11 = getelementptr inbounds i32, i32* %B, i32 %j |
| %l1 = load i32, i32* %arrayidx11, align 4, !tbaa !5 |
| %add9 = add i32 %l1, %sum |
| %add10 = add nuw i32 %j, 1 |
| %exitcond = icmp eq i32 %add10, %J |
| br i1 %exitcond, label %for.latch, label %for.inner |
| |
| for.latch: |
| store i32 %add9, i32* %arrayidx, align 4, !tbaa !5 |
| %exitcond39 = icmp eq i32 %add, %I |
| br i1 %exitcond39, label %for.cleanup, label %for.outer |
| |
| for.cleanup: |
| %inc = add nuw nsw i32 %x.038, 1 |
| %exitcond41 = icmp eq i32 %inc, 5 |
| br i1 %exitcond41, label %for.end, label %for.outest |
| |
| for.end: |
| ret void |
| } |
| |
| |
| ; CHECK-LABEL: test9 |
| ; Same as test1 with tbaa, not noalias |
| ; CHECK: for.outer: |
| ; CHECK: %i = phi i32 [ %add8.3, %for.latch ], [ 0, %for.outer.preheader.new ] |
| ; CHECK: %niter = phi i32 [ %unroll_iter, %for.outer.preheader.new ], [ %niter.nsub.3, %for.latch ] |
| ; CHECK: br label %for.inner |
| ; CHECK: for.inner: |
| ; CHECK: %j = phi i32 [ 0, %for.outer ], [ %inc, %for.inner ] |
| ; CHECK: %sum = phi i32 [ 0, %for.outer ], [ %add, %for.inner ] |
| ; CHECK: %j.1 = phi i32 [ 0, %for.outer ], [ %inc.1, %for.inner ] |
| ; CHECK: %sum.1 = phi i32 [ 0, %for.outer ], [ %add.1, %for.inner ] |
| ; CHECK: %j.2 = phi i32 [ 0, %for.outer ], [ %inc.2, %for.inner ] |
| ; CHECK: %sum.2 = phi i32 [ 0, %for.outer ], [ %add.2, %for.inner ] |
| ; CHECK: %j.3 = phi i32 [ 0, %for.outer ], [ %inc.3, %for.inner ] |
| ; CHECK: %sum.3 = phi i32 [ 0, %for.outer ], [ %add.3, %for.inner ] |
| ; CHECK: br i1 %exitcond.3, label %for.latch, label %for.inner |
| ; CHECK: for.latch: |
| ; CHECK: %add.lcssa = phi i32 [ %add, %for.inner ] |
| ; CHECK: %add.lcssa.1 = phi i32 [ %add.1, %for.inner ] |
| ; CHECK: %add.lcssa.2 = phi i32 [ %add.2, %for.inner ] |
| ; CHECK: %add.lcssa.3 = phi i32 [ %add.3, %for.inner ] |
| ; CHECK: br i1 %niter.ncmp.3, label %for.end.loopexit.unr-lcssa.loopexit, label %for.outer |
| ; CHECK: for.end.loopexit.unr-lcssa.loopexit: |
| define void @test9(i32 %I, i32 %J, i32* nocapture %A, i16* nocapture readonly %B) #0 { |
| entry: |
| %cmp = icmp ne i32 %J, 0 |
| %cmpJ = icmp ne i32 %I, 0 |
| %or.cond = and i1 %cmp, %cmpJ |
| br i1 %or.cond, label %for.outer.preheader, label %for.end |
| |
| for.outer.preheader: |
| br label %for.outer |
| |
| for.outer: |
| %i = phi i32 [ %add8, %for.latch ], [ 0, %for.outer.preheader ] |
| br label %for.inner |
| |
| for.inner: |
| %j = phi i32 [ 0, %for.outer ], [ %inc, %for.inner ] |
| %sum = phi i32 [ 0, %for.outer ], [ %add, %for.inner ] |
| %arrayidx = getelementptr inbounds i16, i16* %B, i32 %j |
| %0 = load i16, i16* %arrayidx, align 4, !tbaa !9 |
| %sext = sext i16 %0 to i32 |
| %add = add i32 %sext, %sum |
| %inc = add nuw i32 %j, 1 |
| %exitcond = icmp eq i32 %inc, %J |
| br i1 %exitcond, label %for.latch, label %for.inner |
| |
| for.latch: |
| %add.lcssa = phi i32 [ %add, %for.inner ] |
| %arrayidx6 = getelementptr inbounds i32, i32* %A, i32 %i |
| store i32 %add.lcssa, i32* %arrayidx6, align 4, !tbaa !5 |
| %add8 = add nuw i32 %i, 1 |
| %exitcond25 = icmp eq i32 %add8, %I |
| br i1 %exitcond25, label %for.end.loopexit, label %for.outer |
| |
| for.end.loopexit: |
| br label %for.end |
| |
| for.end: |
| ret void |
| } |
| |
| |
| ; CHECK-LABEL: test10 |
| ; Be careful not to incorrectly update the exit phi nodes |
| ; CHECK: %dec.lcssa.lcssa.ph.ph = phi i64 [ 0, %for.inc24 ] |
| %struct.a = type { i64 } |
| @g = common global %struct.a zeroinitializer, align 8 |
| @c = common global [1 x i8] zeroinitializer, align 1 |
| define signext i16 @test10(i32 %k) #0 { |
| entry: |
| %0 = load i8, i8* getelementptr inbounds ([1 x i8], [1 x i8]* @c, i64 0, i64 0), align 1 |
| %tobool9 = icmp eq i8 %0, 0 |
| %tobool13 = icmp ne i32 %k, 0 |
| br label %for.body |
| |
| for.body: |
| %storemerge82 = phi i64 [ 0, %entry ], [ %inc25, %for.inc24 ] |
| br label %for.body2 |
| |
| for.body2: |
| %storemerge = phi i64 [ 4, %for.body ], [ %dec, %for.inc21 ] |
| br i1 %tobool9, label %for.body2.split, label %for.body2.split2 |
| |
| for.body2.split2: |
| br i1 %tobool13, label %for.inc21, label %for.inc21.if |
| |
| for.body2.split: |
| br i1 %tobool13, label %for.inc21, label %for.inc21.then |
| |
| for.inc21.if: |
| %storemerge.1 = phi i64 [ 0, %for.body2.split2 ] |
| br label %for.inc21 |
| |
| for.inc21.then: |
| %storemerge.2 = phi i64 [ 0, %for.body2.split ] |
| %storemerge.3 = phi i32 [ 0, %for.body2.split ] |
| br label %for.inc21 |
| |
| for.inc21: |
| %storemerge.4 = phi i64 [ %storemerge.1, %for.inc21.if ], [ %storemerge.2, %for.inc21.then ], [ 4, %for.body2.split2 ], [ 4, %for.body2.split ] |
| %storemerge.5 = phi i32 [ 0, %for.inc21.if ], [ %storemerge.3, %for.inc21.then ], [ 0, %for.body2.split2 ], [ 0, %for.body2.split ] |
| %dec = add nsw i64 %storemerge, -1 |
| %tobool = icmp eq i64 %dec, 0 |
| br i1 %tobool, label %for.inc24, label %for.body2 |
| |
| for.inc24: |
| %storemerge.4.lcssa = phi i64 [ %storemerge.4, %for.inc21 ] |
| %storemerge.5.lcssa = phi i32 [ %storemerge.5, %for.inc21 ] |
| %inc25 = add nuw nsw i64 %storemerge82, 1 |
| %exitcond = icmp ne i64 %inc25, 5 |
| br i1 %exitcond, label %for.body, label %for.end26 |
| |
| for.end26: |
| %dec.lcssa.lcssa = phi i64 [ 0, %for.inc24 ] |
| %storemerge.4.lcssa.lcssa = phi i64 [ %storemerge.4.lcssa, %for.inc24 ] |
| %storemerge.5.lcssa.lcssa = phi i32 [ %storemerge.5.lcssa, %for.inc24 ] |
| store i64 %dec.lcssa.lcssa, i64* getelementptr inbounds (%struct.a, %struct.a* @g, i64 0, i32 0), align 8 |
| ret i16 0 |
| } |
| |
| |
| !5 = !{!6, !6, i64 0} |
| !6 = !{!"int", !7, i64 0} |
| !7 = !{!"omnipotent char", !8, i64 0} |
| !8 = !{!"Simple C/C++ TBAA"} |
| !9 = !{!10, !10, i64 0} |
| !10 = !{!"short", !7, i64 0} |
