| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -passes=loop-distribute -enable-loop-distribute -S -enable-mem-access-versioning=0 < %s | FileCheck %s |
| |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| |
| ; PredicatedScalarEvolution decides it needs to insert a bounds check |
| ; not based on memory access. |
| |
| define void @f(ptr noalias %a, ptr noalias %b, ptr noalias %c, ptr noalias %d, ptr noalias %e, i64 %N) { |
| ; CHECK-LABEL: @f( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: br label [[FOR_BODY_LVER_CHECK:%.*]] |
| ; CHECK: for.body.lver.check: |
| ; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[N:%.*]], -1 |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i64 [[TMP0]], 4294967295 |
| ; CHECK-NEXT: [[MUL1:%.*]] = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 8, i64 [[TMP0]]) |
| ; CHECK-NEXT: [[MUL_RESULT:%.*]] = extractvalue { i64, i1 } [[MUL1]], 0 |
| ; CHECK-NEXT: [[MUL_OVERFLOW:%.*]] = extractvalue { i64, i1 } [[MUL1]], 1 |
| ; CHECK-NEXT: [[TMP2:%.*]] = sub i64 0, [[MUL_RESULT]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[A:%.*]], i64 [[MUL_RESULT]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = icmp ult ptr [[TMP3]], [[A]] |
| ; CHECK-NEXT: [[TMP5:%.*]] = or i1 [[TMP4]], [[MUL_OVERFLOW]] |
| ; CHECK-NEXT: [[TMP6:%.*]] = or i1 [[TMP1]], [[TMP5]] |
| ; CHECK-NEXT: br i1 [[TMP6]], label [[FOR_BODY_PH_LVER_ORIG:%.*]], label [[FOR_BODY_PH_LDIST1:%.*]] |
| ; CHECK: for.body.ph.lver.orig: |
| ; CHECK-NEXT: br label [[FOR_BODY_LVER_ORIG:%.*]] |
| ; CHECK: for.body.lver.orig: |
| ; CHECK-NEXT: [[IND_LVER_ORIG:%.*]] = phi i64 [ 0, [[FOR_BODY_PH_LVER_ORIG]] ], [ [[ADD_LVER_ORIG:%.*]], [[FOR_BODY_LVER_ORIG]] ] |
| ; CHECK-NEXT: [[IND1_LVER_ORIG:%.*]] = phi i32 [ 0, [[FOR_BODY_PH_LVER_ORIG]] ], [ [[INC1_LVER_ORIG:%.*]], [[FOR_BODY_LVER_ORIG]] ] |
| ; CHECK-NEXT: [[MUL_LVER_ORIG:%.*]] = mul i32 [[IND1_LVER_ORIG]], 2 |
| ; CHECK-NEXT: [[MUL_EXT_LVER_ORIG:%.*]] = zext i32 [[MUL_LVER_ORIG]] to i64 |
| ; CHECK-NEXT: [[ARRAYIDXA_LVER_ORIG:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[MUL_EXT_LVER_ORIG]] |
| ; CHECK-NEXT: [[LOADA_LVER_ORIG:%.*]] = load i32, ptr [[ARRAYIDXA_LVER_ORIG]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDXB_LVER_ORIG:%.*]] = getelementptr inbounds i32, ptr [[B:%.*]], i64 [[MUL_EXT_LVER_ORIG]] |
| ; CHECK-NEXT: [[LOADB_LVER_ORIG:%.*]] = load i32, ptr [[ARRAYIDXB_LVER_ORIG]], align 4 |
| ; CHECK-NEXT: [[MULA_LVER_ORIG:%.*]] = mul i32 [[LOADB_LVER_ORIG]], [[LOADA_LVER_ORIG]] |
| ; CHECK-NEXT: [[ADD_LVER_ORIG]] = add nuw nsw i64 [[IND_LVER_ORIG]], 1 |
| ; CHECK-NEXT: [[INC1_LVER_ORIG]] = add i32 [[IND1_LVER_ORIG]], 1 |
| ; CHECK-NEXT: [[ARRAYIDXA_PLUS_4_LVER_ORIG:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[ADD_LVER_ORIG]] |
| ; CHECK-NEXT: store i32 [[MULA_LVER_ORIG]], ptr [[ARRAYIDXA_PLUS_4_LVER_ORIG]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDXD_LVER_ORIG:%.*]] = getelementptr inbounds i32, ptr [[D:%.*]], i64 [[MUL_EXT_LVER_ORIG]] |
| ; CHECK-NEXT: [[LOADD_LVER_ORIG:%.*]] = load i32, ptr [[ARRAYIDXD_LVER_ORIG]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDXE_LVER_ORIG:%.*]] = getelementptr inbounds i32, ptr [[E:%.*]], i64 [[MUL_EXT_LVER_ORIG]] |
| ; CHECK-NEXT: [[LOADE_LVER_ORIG:%.*]] = load i32, ptr [[ARRAYIDXE_LVER_ORIG]], align 4 |
| ; CHECK-NEXT: [[MULC_LVER_ORIG:%.*]] = mul i32 [[LOADD_LVER_ORIG]], [[LOADE_LVER_ORIG]] |
| ; CHECK-NEXT: [[ARRAYIDXC_LVER_ORIG:%.*]] = getelementptr inbounds i32, ptr [[C:%.*]], i64 [[MUL_EXT_LVER_ORIG]] |
| ; CHECK-NEXT: store i32 [[MULC_LVER_ORIG]], ptr [[ARRAYIDXC_LVER_ORIG]], align 4 |
| ; CHECK-NEXT: [[EXITCOND_LVER_ORIG:%.*]] = icmp eq i64 [[ADD_LVER_ORIG]], [[N]] |
| ; CHECK-NEXT: br i1 [[EXITCOND_LVER_ORIG]], label [[FOR_END_LOOPEXIT:%.*]], label [[FOR_BODY_LVER_ORIG]] |
| ; CHECK: for.body.ph.ldist1: |
| ; CHECK-NEXT: br label [[FOR_BODY_LDIST1:%.*]] |
| ; CHECK: for.body.ldist1: |
| ; CHECK-NEXT: [[IND_LDIST1:%.*]] = phi i64 [ 0, [[FOR_BODY_PH_LDIST1]] ], [ [[ADD_LDIST1:%.*]], [[FOR_BODY_LDIST1]] ] |
| ; CHECK-NEXT: [[IND1_LDIST1:%.*]] = phi i32 [ 0, [[FOR_BODY_PH_LDIST1]] ], [ [[INC1_LDIST1:%.*]], [[FOR_BODY_LDIST1]] ] |
| ; CHECK-NEXT: [[MUL_LDIST1:%.*]] = mul i32 [[IND1_LDIST1]], 2 |
| ; CHECK-NEXT: [[MUL_EXT_LDIST1:%.*]] = zext i32 [[MUL_LDIST1]] to i64 |
| ; CHECK-NEXT: [[ARRAYIDXA_LDIST1:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[MUL_EXT_LDIST1]] |
| ; CHECK-NEXT: [[LOADA_LDIST1:%.*]] = load i32, ptr [[ARRAYIDXA_LDIST1]], align 4, !alias.scope !0 |
| ; CHECK-NEXT: [[ARRAYIDXB_LDIST1:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[MUL_EXT_LDIST1]] |
| ; CHECK-NEXT: [[LOADB_LDIST1:%.*]] = load i32, ptr [[ARRAYIDXB_LDIST1]], align 4 |
| ; CHECK-NEXT: [[MULA_LDIST1:%.*]] = mul i32 [[LOADB_LDIST1]], [[LOADA_LDIST1]] |
| ; CHECK-NEXT: [[ADD_LDIST1]] = add nuw nsw i64 [[IND_LDIST1]], 1 |
| ; CHECK-NEXT: [[INC1_LDIST1]] = add i32 [[IND1_LDIST1]], 1 |
| ; CHECK-NEXT: [[ARRAYIDXA_PLUS_4_LDIST1:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[ADD_LDIST1]] |
| ; CHECK-NEXT: store i32 [[MULA_LDIST1]], ptr [[ARRAYIDXA_PLUS_4_LDIST1]], align 4, !alias.scope !3 |
| ; CHECK-NEXT: [[EXITCOND_LDIST1:%.*]] = icmp eq i64 [[ADD_LDIST1]], [[N]] |
| ; CHECK-NEXT: br i1 [[EXITCOND_LDIST1]], label [[FOR_BODY_PH:%.*]], label [[FOR_BODY_LDIST1]] |
| ; CHECK: for.body.ph: |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[IND:%.*]] = phi i64 [ 0, [[FOR_BODY_PH]] ], [ [[ADD:%.*]], [[FOR_BODY]] ] |
| ; CHECK-NEXT: [[IND1:%.*]] = phi i32 [ 0, [[FOR_BODY_PH]] ], [ [[INC1:%.*]], [[FOR_BODY]] ] |
| ; CHECK-NEXT: [[MUL:%.*]] = mul i32 [[IND1]], 2 |
| ; CHECK-NEXT: [[MUL_EXT:%.*]] = zext i32 [[MUL]] to i64 |
| ; CHECK-NEXT: [[ADD]] = add nuw nsw i64 [[IND]], 1 |
| ; CHECK-NEXT: [[INC1]] = add i32 [[IND1]], 1 |
| ; CHECK-NEXT: [[ARRAYIDXD:%.*]] = getelementptr inbounds i32, ptr [[D]], i64 [[MUL_EXT]] |
| ; CHECK-NEXT: [[LOADD:%.*]] = load i32, ptr [[ARRAYIDXD]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDXE:%.*]] = getelementptr inbounds i32, ptr [[E]], i64 [[MUL_EXT]] |
| ; CHECK-NEXT: [[LOADE:%.*]] = load i32, ptr [[ARRAYIDXE]], align 4 |
| ; CHECK-NEXT: [[MULC:%.*]] = mul i32 [[LOADD]], [[LOADE]] |
| ; CHECK-NEXT: [[ARRAYIDXC:%.*]] = getelementptr inbounds i32, ptr [[C]], i64 [[MUL_EXT]] |
| ; CHECK-NEXT: store i32 [[MULC]], ptr [[ARRAYIDXC]], align 4 |
| ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[ADD]], [[N]] |
| ; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT2:%.*]], label [[FOR_BODY]] |
| ; CHECK: for.end.loopexit: |
| ; CHECK-NEXT: br label [[FOR_END:%.*]] |
| ; CHECK: for.end.loopexit2: |
| ; CHECK-NEXT: br label [[FOR_END]] |
| ; CHECK: for.end: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| br label %for.body |
| |
| for.body: ; preds = %for.body, %entry |
| %ind = phi i64 [ 0, %entry ], [ %add, %for.body ] |
| %ind1 = phi i32 [ 0, %entry ], [ %inc1, %for.body ] |
| |
| %mul = mul i32 %ind1, 2 |
| %mul_ext = zext i32 %mul to i64 |
| |
| |
| %arrayidxA = getelementptr inbounds i32, ptr %a, i64 %mul_ext |
| %loadA = load i32, ptr %arrayidxA, align 4 |
| |
| %arrayidxB = getelementptr inbounds i32, ptr %b, i64 %mul_ext |
| %loadB = load i32, ptr %arrayidxB, align 4 |
| |
| %mulA = mul i32 %loadB, %loadA |
| |
| %add = add nuw nsw i64 %ind, 1 |
| %inc1 = add i32 %ind1, 1 |
| |
| %arrayidxA_plus_4 = getelementptr inbounds i32, ptr %a, i64 %add |
| store i32 %mulA, ptr %arrayidxA_plus_4, align 4 |
| |
| %arrayidxD = getelementptr inbounds i32, ptr %d, i64 %mul_ext |
| %loadD = load i32, ptr %arrayidxD, align 4 |
| |
| %arrayidxE = getelementptr inbounds i32, ptr %e, i64 %mul_ext |
| %loadE = load i32, ptr %arrayidxE, align 4 |
| |
| %mulC = mul i32 %loadD, %loadE |
| |
| %arrayidxC = getelementptr inbounds i32, ptr %c, i64 %mul_ext |
| store i32 %mulC, ptr %arrayidxC, align 4 |
| |
| %exitcond = icmp eq i64 %add, %N |
| br i1 %exitcond, label %for.end, label %for.body |
| |
| for.end: ; preds = %for.body |
| ret void |
| } |
| |
| declare void @use64(i64) |
| @global_a = common local_unnamed_addr global [8192 x i32] zeroinitializer, align 16 |
| |
| define void @f_with_offset(ptr noalias %b, ptr noalias %c, ptr noalias %d, ptr noalias %e, i64 %N) { |
| ; CHECK-LABEL: @f_with_offset( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[A_INTPTR:%.*]] = ptrtoint ptr @global_a to i64 |
| ; CHECK-NEXT: call void @use64(i64 [[A_INTPTR]]) |
| ; CHECK-NEXT: [[A:%.*]] = getelementptr i32, ptr @global_a, i32 42 |
| ; CHECK-NEXT: br label [[FOR_BODY_LVER_CHECK:%.*]] |
| ; CHECK: for.body.lver.check: |
| ; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[N:%.*]], -1 |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i64 [[TMP0]], 4294967295 |
| ; CHECK-NEXT: [[MUL1:%.*]] = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 8, i64 [[TMP0]]) |
| ; CHECK-NEXT: [[MUL_RESULT:%.*]] = extractvalue { i64, i1 } [[MUL1]], 0 |
| ; CHECK-NEXT: [[MUL_OVERFLOW:%.*]] = extractvalue { i64, i1 } [[MUL1]], 1 |
| ; CHECK-NEXT: [[TMP2:%.*]] = sub i64 0, [[MUL_RESULT]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[A]], i64 [[MUL_RESULT]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = icmp ult ptr [[TMP3]], [[A]] |
| ; CHECK-NEXT: [[TMP5:%.*]] = or i1 [[TMP4]], [[MUL_OVERFLOW]] |
| ; CHECK-NEXT: [[TMP6:%.*]] = or i1 [[TMP1]], [[TMP5]] |
| ; CHECK-NEXT: br i1 [[TMP6]], label [[FOR_BODY_PH_LVER_ORIG:%.*]], label [[FOR_BODY_PH_LDIST1:%.*]] |
| ; CHECK: for.body.ph.lver.orig: |
| ; CHECK-NEXT: br label [[FOR_BODY_LVER_ORIG:%.*]] |
| ; CHECK: for.body.lver.orig: |
| ; CHECK-NEXT: [[IND_LVER_ORIG:%.*]] = phi i64 [ 0, [[FOR_BODY_PH_LVER_ORIG]] ], [ [[ADD_LVER_ORIG:%.*]], [[FOR_BODY_LVER_ORIG]] ] |
| ; CHECK-NEXT: [[IND1_LVER_ORIG:%.*]] = phi i32 [ 0, [[FOR_BODY_PH_LVER_ORIG]] ], [ [[INC1_LVER_ORIG:%.*]], [[FOR_BODY_LVER_ORIG]] ] |
| ; CHECK-NEXT: [[MUL_LVER_ORIG:%.*]] = mul i32 [[IND1_LVER_ORIG]], 2 |
| ; CHECK-NEXT: [[MUL_EXT_LVER_ORIG:%.*]] = zext i32 [[MUL_LVER_ORIG]] to i64 |
| ; CHECK-NEXT: [[ARRAYIDXA_LVER_ORIG:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[MUL_EXT_LVER_ORIG]] |
| ; CHECK-NEXT: [[LOADA_LVER_ORIG:%.*]] = load i32, ptr [[ARRAYIDXA_LVER_ORIG]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDXB_LVER_ORIG:%.*]] = getelementptr inbounds i32, ptr [[B:%.*]], i64 [[MUL_EXT_LVER_ORIG]] |
| ; CHECK-NEXT: [[LOADB_LVER_ORIG:%.*]] = load i32, ptr [[ARRAYIDXB_LVER_ORIG]], align 4 |
| ; CHECK-NEXT: [[MULA_LVER_ORIG:%.*]] = mul i32 [[LOADB_LVER_ORIG]], [[LOADA_LVER_ORIG]] |
| ; CHECK-NEXT: [[ADD_LVER_ORIG]] = add nuw nsw i64 [[IND_LVER_ORIG]], 1 |
| ; CHECK-NEXT: [[INC1_LVER_ORIG]] = add i32 [[IND1_LVER_ORIG]], 1 |
| ; CHECK-NEXT: [[ARRAYIDXA_PLUS_4_LVER_ORIG:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[ADD_LVER_ORIG]] |
| ; CHECK-NEXT: store i32 [[MULA_LVER_ORIG]], ptr [[ARRAYIDXA_PLUS_4_LVER_ORIG]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDXD_LVER_ORIG:%.*]] = getelementptr inbounds i32, ptr [[D:%.*]], i64 [[MUL_EXT_LVER_ORIG]] |
| ; CHECK-NEXT: [[LOADD_LVER_ORIG:%.*]] = load i32, ptr [[ARRAYIDXD_LVER_ORIG]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDXE_LVER_ORIG:%.*]] = getelementptr inbounds i32, ptr [[E:%.*]], i64 [[MUL_EXT_LVER_ORIG]] |
| ; CHECK-NEXT: [[LOADE_LVER_ORIG:%.*]] = load i32, ptr [[ARRAYIDXE_LVER_ORIG]], align 4 |
| ; CHECK-NEXT: [[MULC_LVER_ORIG:%.*]] = mul i32 [[LOADD_LVER_ORIG]], [[LOADE_LVER_ORIG]] |
| ; CHECK-NEXT: [[ARRAYIDXC_LVER_ORIG:%.*]] = getelementptr inbounds i32, ptr [[C:%.*]], i64 [[MUL_EXT_LVER_ORIG]] |
| ; CHECK-NEXT: store i32 [[MULC_LVER_ORIG]], ptr [[ARRAYIDXC_LVER_ORIG]], align 4 |
| ; CHECK-NEXT: [[EXITCOND_LVER_ORIG:%.*]] = icmp eq i64 [[ADD_LVER_ORIG]], [[N]] |
| ; CHECK-NEXT: br i1 [[EXITCOND_LVER_ORIG]], label [[FOR_END_LOOPEXIT:%.*]], label [[FOR_BODY_LVER_ORIG]] |
| ; CHECK: for.body.ph.ldist1: |
| ; CHECK-NEXT: br label [[FOR_BODY_LDIST1:%.*]] |
| ; CHECK: for.body.ldist1: |
| ; CHECK-NEXT: [[IND_LDIST1:%.*]] = phi i64 [ 0, [[FOR_BODY_PH_LDIST1]] ], [ [[ADD_LDIST1:%.*]], [[FOR_BODY_LDIST1]] ] |
| ; CHECK-NEXT: [[IND1_LDIST1:%.*]] = phi i32 [ 0, [[FOR_BODY_PH_LDIST1]] ], [ [[INC1_LDIST1:%.*]], [[FOR_BODY_LDIST1]] ] |
| ; CHECK-NEXT: [[MUL_LDIST1:%.*]] = mul i32 [[IND1_LDIST1]], 2 |
| ; CHECK-NEXT: [[MUL_EXT_LDIST1:%.*]] = zext i32 [[MUL_LDIST1]] to i64 |
| ; CHECK-NEXT: [[ARRAYIDXA_LDIST1:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[MUL_EXT_LDIST1]] |
| ; CHECK-NEXT: [[LOADA_LDIST1:%.*]] = load i32, ptr [[ARRAYIDXA_LDIST1]], align 4, !alias.scope !5 |
| ; CHECK-NEXT: [[ARRAYIDXB_LDIST1:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[MUL_EXT_LDIST1]] |
| ; CHECK-NEXT: [[LOADB_LDIST1:%.*]] = load i32, ptr [[ARRAYIDXB_LDIST1]], align 4 |
| ; CHECK-NEXT: [[MULA_LDIST1:%.*]] = mul i32 [[LOADB_LDIST1]], [[LOADA_LDIST1]] |
| ; CHECK-NEXT: [[ADD_LDIST1]] = add nuw nsw i64 [[IND_LDIST1]], 1 |
| ; CHECK-NEXT: [[INC1_LDIST1]] = add i32 [[IND1_LDIST1]], 1 |
| ; CHECK-NEXT: [[ARRAYIDXA_PLUS_4_LDIST1:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[ADD_LDIST1]] |
| ; CHECK-NEXT: store i32 [[MULA_LDIST1]], ptr [[ARRAYIDXA_PLUS_4_LDIST1]], align 4, !alias.scope !8 |
| ; CHECK-NEXT: [[EXITCOND_LDIST1:%.*]] = icmp eq i64 [[ADD_LDIST1]], [[N]] |
| ; CHECK-NEXT: br i1 [[EXITCOND_LDIST1]], label [[FOR_BODY_PH:%.*]], label [[FOR_BODY_LDIST1]] |
| ; CHECK: for.body.ph: |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[IND:%.*]] = phi i64 [ 0, [[FOR_BODY_PH]] ], [ [[ADD:%.*]], [[FOR_BODY]] ] |
| ; CHECK-NEXT: [[IND1:%.*]] = phi i32 [ 0, [[FOR_BODY_PH]] ], [ [[INC1:%.*]], [[FOR_BODY]] ] |
| ; CHECK-NEXT: [[MUL:%.*]] = mul i32 [[IND1]], 2 |
| ; CHECK-NEXT: [[MUL_EXT:%.*]] = zext i32 [[MUL]] to i64 |
| ; CHECK-NEXT: [[ADD]] = add nuw nsw i64 [[IND]], 1 |
| ; CHECK-NEXT: [[INC1]] = add i32 [[IND1]], 1 |
| ; CHECK-NEXT: [[ARRAYIDXD:%.*]] = getelementptr inbounds i32, ptr [[D]], i64 [[MUL_EXT]] |
| ; CHECK-NEXT: [[LOADD:%.*]] = load i32, ptr [[ARRAYIDXD]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDXE:%.*]] = getelementptr inbounds i32, ptr [[E]], i64 [[MUL_EXT]] |
| ; CHECK-NEXT: [[LOADE:%.*]] = load i32, ptr [[ARRAYIDXE]], align 4 |
| ; CHECK-NEXT: [[MULC:%.*]] = mul i32 [[LOADD]], [[LOADE]] |
| ; CHECK-NEXT: [[ARRAYIDXC:%.*]] = getelementptr inbounds i32, ptr [[C]], i64 [[MUL_EXT]] |
| ; CHECK-NEXT: store i32 [[MULC]], ptr [[ARRAYIDXC]], align 4 |
| ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[ADD]], [[N]] |
| ; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT2:%.*]], label [[FOR_BODY]] |
| ; CHECK: for.end.loopexit: |
| ; CHECK-NEXT: br label [[FOR_END:%.*]] |
| ; CHECK: for.end.loopexit2: |
| ; CHECK-NEXT: br label [[FOR_END]] |
| ; CHECK: for.end: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| %a_intptr = ptrtoint ptr @global_a to i64 |
| call void @use64(i64 %a_intptr) |
| %a = getelementptr i32, ptr @global_a, i32 42 |
| br label %for.body |
| |
| for.body: ; preds = %for.body, %entry |
| %ind = phi i64 [ 0, %entry ], [ %add, %for.body ] |
| %ind1 = phi i32 [ 0, %entry ], [ %inc1, %for.body ] |
| |
| %mul = mul i32 %ind1, 2 |
| %mul_ext = zext i32 %mul to i64 |
| |
| |
| %arrayidxA = getelementptr inbounds i32, ptr %a, i64 %mul_ext |
| %loadA = load i32, ptr %arrayidxA, align 4 |
| |
| %arrayidxB = getelementptr inbounds i32, ptr %b, i64 %mul_ext |
| %loadB = load i32, ptr %arrayidxB, align 4 |
| |
| %mulA = mul i32 %loadB, %loadA |
| |
| %add = add nuw nsw i64 %ind, 1 |
| %inc1 = add i32 %ind1, 1 |
| |
| %arrayidxA_plus_4 = getelementptr inbounds i32, ptr %a, i64 %add |
| store i32 %mulA, ptr %arrayidxA_plus_4, align 4 |
| |
| %arrayidxD = getelementptr inbounds i32, ptr %d, i64 %mul_ext |
| %loadD = load i32, ptr %arrayidxD, align 4 |
| |
| %arrayidxE = getelementptr inbounds i32, ptr %e, i64 %mul_ext |
| %loadE = load i32, ptr %arrayidxE, align 4 |
| |
| %mulC = mul i32 %loadD, %loadE |
| |
| %arrayidxC = getelementptr inbounds i32, ptr %c, i64 %mul_ext |
| store i32 %mulC, ptr %arrayidxC, align 4 |
| |
| %exitcond = icmp eq i64 %add, %N |
| br i1 %exitcond, label %for.end, label %for.body |
| |
| for.end: ; preds = %for.body |
| ret void |
| } |
| |
| ; Can't add control dependency with convergent in loop body. |
| define void @f_with_convergent(ptr noalias %a, ptr noalias %b, ptr noalias %c, ptr noalias %d, ptr noalias %e, i64 %N) #1 { |
| ; CHECK-LABEL: @f_with_convergent( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[IND:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[ADD:%.*]], [[FOR_BODY]] ] |
| ; CHECK-NEXT: [[IND1:%.*]] = phi i32 [ 0, [[ENTRY]] ], [ [[INC1:%.*]], [[FOR_BODY]] ] |
| ; CHECK-NEXT: [[MUL:%.*]] = mul i32 [[IND1]], 2 |
| ; CHECK-NEXT: [[MUL_EXT:%.*]] = zext i32 [[MUL]] to i64 |
| ; CHECK-NEXT: [[ARRAYIDXA:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], i64 [[MUL_EXT]] |
| ; CHECK-NEXT: [[LOADA:%.*]] = load i32, ptr [[ARRAYIDXA]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDXB:%.*]] = getelementptr inbounds i32, ptr [[B:%.*]], i64 [[MUL_EXT]] |
| ; CHECK-NEXT: [[LOADB:%.*]] = load i32, ptr [[ARRAYIDXB]], align 4 |
| ; CHECK-NEXT: [[MULA:%.*]] = mul i32 [[LOADB]], [[LOADA]] |
| ; CHECK-NEXT: [[ADD]] = add nuw nsw i64 [[IND]], 1 |
| ; CHECK-NEXT: [[INC1]] = add i32 [[IND1]], 1 |
| ; CHECK-NEXT: [[ARRAYIDXA_PLUS_4:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[ADD]] |
| ; CHECK-NEXT: store i32 [[MULA]], ptr [[ARRAYIDXA_PLUS_4]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDXD:%.*]] = getelementptr inbounds i32, ptr [[D:%.*]], i64 [[MUL_EXT]] |
| ; CHECK-NEXT: [[LOADD:%.*]] = load i32, ptr [[ARRAYIDXD]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDXE:%.*]] = getelementptr inbounds i32, ptr [[E:%.*]], i64 [[MUL_EXT]] |
| ; CHECK-NEXT: [[LOADE:%.*]] = load i32, ptr [[ARRAYIDXE]], align 4 |
| ; CHECK-NEXT: [[CONVERGENTD:%.*]] = call i32 @llvm.convergent(i32 [[LOADD]]) |
| ; CHECK-NEXT: [[MULC:%.*]] = mul i32 [[CONVERGENTD]], [[LOADE]] |
| ; CHECK-NEXT: [[ARRAYIDXC:%.*]] = getelementptr inbounds i32, ptr [[C:%.*]], i64 [[MUL_EXT]] |
| ; CHECK-NEXT: store i32 [[MULC]], ptr [[ARRAYIDXC]], align 4 |
| ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[ADD]], [[N:%.*]] |
| ; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]] |
| ; CHECK: for.end: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| br label %for.body |
| |
| for.body: ; preds = %for.body, %entry |
| %ind = phi i64 [ 0, %entry ], [ %add, %for.body ] |
| %ind1 = phi i32 [ 0, %entry ], [ %inc1, %for.body ] |
| |
| %mul = mul i32 %ind1, 2 |
| %mul_ext = zext i32 %mul to i64 |
| |
| |
| %arrayidxA = getelementptr inbounds i32, ptr %a, i64 %mul_ext |
| %loadA = load i32, ptr %arrayidxA, align 4 |
| |
| %arrayidxB = getelementptr inbounds i32, ptr %b, i64 %mul_ext |
| %loadB = load i32, ptr %arrayidxB, align 4 |
| |
| %mulA = mul i32 %loadB, %loadA |
| |
| %add = add nuw nsw i64 %ind, 1 |
| %inc1 = add i32 %ind1, 1 |
| |
| %arrayidxA_plus_4 = getelementptr inbounds i32, ptr %a, i64 %add |
| store i32 %mulA, ptr %arrayidxA_plus_4, align 4 |
| |
| %arrayidxD = getelementptr inbounds i32, ptr %d, i64 %mul_ext |
| %loadD = load i32, ptr %arrayidxD, align 4 |
| |
| %arrayidxE = getelementptr inbounds i32, ptr %e, i64 %mul_ext |
| %loadE = load i32, ptr %arrayidxE, align 4 |
| |
| %convergentD = call i32 @llvm.convergent(i32 %loadD) |
| %mulC = mul i32 %convergentD, %loadE |
| |
| %arrayidxC = getelementptr inbounds i32, ptr %c, i64 %mul_ext |
| store i32 %mulC, ptr %arrayidxC, align 4 |
| |
| %exitcond = icmp eq i64 %add, %N |
| br i1 %exitcond, label %for.end, label %for.body |
| |
| for.end: ; preds = %for.body |
| ret void |
| } |
| |
| declare i32 @llvm.convergent(i32) #0 |
| |
| attributes #0 = { nounwind readnone convergent } |
| attributes #1 = { nounwind convergent } |
