From 01efcec6dbd1431d2ac112f537d5639a9eab18b2 Mon Sep 17 00:00:00 2001 From: Florian Hahn Date: Thu, 18 May 2023 11:35:17 +0100 Subject: [PATCH] [LV] Add extra uniformity tests with UDIV and UREM. Extra tests for D148841. --- .../uniform_across_vf_induction1_div_urem.ll | 374 +++++++++++++++++++++ 1 file changed, 374 insertions(+) create mode 100644 llvm/test/Transforms/LoopVectorize/uniform_across_vf_induction1_div_urem.ll diff --git a/llvm/test/Transforms/LoopVectorize/uniform_across_vf_induction1_div_urem.ll b/llvm/test/Transforms/LoopVectorize/uniform_across_vf_induction1_div_urem.ll new file mode 100644 index 0000000..42f6df8 --- /dev/null +++ b/llvm/test/Transforms/LoopVectorize/uniform_across_vf_induction1_div_urem.ll @@ -0,0 +1,374 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2 +; RUN: opt -passes=loop-vectorize -force-vector-interleave=1 -force-vector-width=8 %s -S | FileCheck %s + +; Tests for checking uniformity within a VF. + +; for (iv = 0 ; ; iv += 1) B[iv] = A[(iv/2)%3]; +define void @ld_div2_urem3_1(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div2_urem3_1 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <8 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = udiv <8 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP2:%.*]] = urem <8 x i64> [[TMP1]], +; CHECK-NEXT: [[TMP3:%.*]] = extractelement <8 x i64> [[TMP2]], i32 0 +; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP3]] +; CHECK-NEXT: [[TMP5:%.*]] = extractelement <8 x i64> [[TMP2]], i32 1 +; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP5]] +; CHECK-NEXT: [[TMP7:%.*]] = extractelement <8 x i64> [[TMP2]], i32 2 +; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP7]] +; CHECK-NEXT: [[TMP9:%.*]] = extractelement <8 x i64> [[TMP2]], i32 3 +; CHECK-NEXT: [[TMP10:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP9]] +; CHECK-NEXT: [[TMP11:%.*]] = extractelement <8 x i64> [[TMP2]], i32 4 +; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP11]] +; CHECK-NEXT: [[TMP13:%.*]] = extractelement <8 x i64> [[TMP2]], i32 5 +; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP13]] +; CHECK-NEXT: [[TMP15:%.*]] = extractelement <8 x i64> [[TMP2]], i32 6 +; CHECK-NEXT: [[TMP16:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP15]] +; CHECK-NEXT: [[TMP17:%.*]] = extractelement <8 x i64> [[TMP2]], i32 7 +; CHECK-NEXT: [[TMP18:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP17]] +; CHECK-NEXT: [[TMP19:%.*]] = load i64, ptr [[TMP4]], align 8 +; CHECK-NEXT: [[TMP20:%.*]] = load i64, ptr [[TMP6]], align 8 +; CHECK-NEXT: [[TMP21:%.*]] = load i64, ptr [[TMP8]], align 8 +; CHECK-NEXT: [[TMP22:%.*]] = load i64, ptr [[TMP10]], align 8 +; CHECK-NEXT: [[TMP23:%.*]] = load i64, ptr [[TMP12]], align 8 +; CHECK-NEXT: [[TMP24:%.*]] = load i64, ptr [[TMP14]], align 8 +; CHECK-NEXT: [[TMP25:%.*]] = load i64, ptr [[TMP16]], align 8 +; CHECK-NEXT: [[TMP26:%.*]] = load i64, ptr [[TMP18]], align 8 +; CHECK-NEXT: [[TMP27:%.*]] = insertelement <8 x i64> poison, i64 [[TMP19]], i32 0 +; CHECK-NEXT: [[TMP28:%.*]] = insertelement <8 x i64> [[TMP27]], i64 [[TMP20]], i32 1 +; CHECK-NEXT: [[TMP29:%.*]] = insertelement <8 x i64> [[TMP28]], i64 [[TMP21]], i32 2 +; CHECK-NEXT: [[TMP30:%.*]] = insertelement <8 x i64> [[TMP29]], i64 [[TMP22]], i32 3 +; CHECK-NEXT: [[TMP31:%.*]] = insertelement <8 x i64> [[TMP30]], i64 [[TMP23]], i32 4 +; CHECK-NEXT: [[TMP32:%.*]] = insertelement <8 x i64> [[TMP31]], i64 [[TMP24]], i32 5 +; CHECK-NEXT: [[TMP33:%.*]] = insertelement <8 x i64> [[TMP32]], i64 [[TMP25]], i32 6 +; CHECK-NEXT: [[TMP34:%.*]] = insertelement <8 x i64> [[TMP33]], i64 [[TMP26]], i32 7 +; CHECK-NEXT: [[TMP35:%.*]] = add nsw <8 x i64> [[TMP34]], +; CHECK-NEXT: [[TMP36:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP37:%.*]] = getelementptr inbounds i64, ptr [[TMP36]], i32 0 +; CHECK-NEXT: store <8 x i64> [[TMP35]], ptr [[TMP37]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <8 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP38:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1000 +; CHECK-NEXT: br i1 [[TMP38]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1000, 1000 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1000, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV:%.*]] = udiv i64 [[IV]], 2 +; CHECK-NEXT: [[REM:%.*]] = urem i64 [[DIV]], 3 +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[REM]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 1 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP3:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 0, %entry ], [ %iv_next, %loop ] + %div = udiv i64 %iv, 2 + %rem = urem i64 %div, 3 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %rem + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv_next = add nsw i64 %iv, 1 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 0 ; ; iv += 1) B[iv] = A[((iv++)/2)%3]; +define void @ld_div2_urem3_2(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div2_urem3_2 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <8 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = add nsw <8 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP2:%.*]] = udiv <8 x i64> [[TMP1]], +; CHECK-NEXT: [[TMP3:%.*]] = urem <8 x i64> [[TMP2]], +; CHECK-NEXT: [[TMP4:%.*]] = extractelement <8 x i64> [[TMP3]], i32 0 +; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP4]] +; CHECK-NEXT: [[TMP6:%.*]] = extractelement <8 x i64> [[TMP3]], i32 1 +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP6]] +; CHECK-NEXT: [[TMP8:%.*]] = extractelement <8 x i64> [[TMP3]], i32 2 +; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP8]] +; CHECK-NEXT: [[TMP10:%.*]] = extractelement <8 x i64> [[TMP3]], i32 3 +; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP10]] +; CHECK-NEXT: [[TMP12:%.*]] = extractelement <8 x i64> [[TMP3]], i32 4 +; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP12]] +; CHECK-NEXT: [[TMP14:%.*]] = extractelement <8 x i64> [[TMP3]], i32 5 +; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP14]] +; CHECK-NEXT: [[TMP16:%.*]] = extractelement <8 x i64> [[TMP3]], i32 6 +; CHECK-NEXT: [[TMP17:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP16]] +; CHECK-NEXT: [[TMP18:%.*]] = extractelement <8 x i64> [[TMP3]], i32 7 +; CHECK-NEXT: [[TMP19:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP18]] +; CHECK-NEXT: [[TMP20:%.*]] = load i64, ptr [[TMP5]], align 8 +; CHECK-NEXT: [[TMP21:%.*]] = load i64, ptr [[TMP7]], align 8 +; CHECK-NEXT: [[TMP22:%.*]] = load i64, ptr [[TMP9]], align 8 +; CHECK-NEXT: [[TMP23:%.*]] = load i64, ptr [[TMP11]], align 8 +; CHECK-NEXT: [[TMP24:%.*]] = load i64, ptr [[TMP13]], align 8 +; CHECK-NEXT: [[TMP25:%.*]] = load i64, ptr [[TMP15]], align 8 +; CHECK-NEXT: [[TMP26:%.*]] = load i64, ptr [[TMP17]], align 8 +; CHECK-NEXT: [[TMP27:%.*]] = load i64, ptr [[TMP19]], align 8 +; CHECK-NEXT: [[TMP28:%.*]] = insertelement <8 x i64> poison, i64 [[TMP20]], i32 0 +; CHECK-NEXT: [[TMP29:%.*]] = insertelement <8 x i64> [[TMP28]], i64 [[TMP21]], i32 1 +; CHECK-NEXT: [[TMP30:%.*]] = insertelement <8 x i64> [[TMP29]], i64 [[TMP22]], i32 2 +; CHECK-NEXT: [[TMP31:%.*]] = insertelement <8 x i64> [[TMP30]], i64 [[TMP23]], i32 3 +; CHECK-NEXT: [[TMP32:%.*]] = insertelement <8 x i64> [[TMP31]], i64 [[TMP24]], i32 4 +; CHECK-NEXT: [[TMP33:%.*]] = insertelement <8 x i64> [[TMP32]], i64 [[TMP25]], i32 5 +; CHECK-NEXT: [[TMP34:%.*]] = insertelement <8 x i64> [[TMP33]], i64 [[TMP26]], i32 6 +; CHECK-NEXT: [[TMP35:%.*]] = insertelement <8 x i64> [[TMP34]], i64 [[TMP27]], i32 7 +; CHECK-NEXT: [[TMP36:%.*]] = add nsw <8 x i64> [[TMP35]], +; CHECK-NEXT: [[TMP37:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP38:%.*]] = getelementptr inbounds i64, ptr [[TMP37]], i32 0 +; CHECK-NEXT: store <8 x i64> [[TMP36]], ptr [[TMP38]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <8 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP39:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1000 +; CHECK-NEXT: br i1 [[TMP39]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1000, 1000 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1000, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 1 +; CHECK-NEXT: [[DIV:%.*]] = udiv i64 [[IV_NEXT]], 2 +; CHECK-NEXT: [[REM:%.*]] = urem i64 [[DIV]], 3 +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[REM]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP5:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 0, %entry ], [ %iv_next, %loop ] + %iv_next = add nsw i64 %iv, 1 + %div = udiv i64 %iv_next, 2 + %rem = urem i64 %div, 3 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %rem + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 0 ; ; iv += 1) B[iv] = A[(iv/4)]; +define void @ld_div4(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div4 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <8 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = udiv <8 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP2:%.*]] = extractelement <8 x i64> [[TMP1]], i32 0 +; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP2]] +; CHECK-NEXT: [[TMP4:%.*]] = extractelement <8 x i64> [[TMP1]], i32 1 +; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP4]] +; CHECK-NEXT: [[TMP6:%.*]] = extractelement <8 x i64> [[TMP1]], i32 2 +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP6]] +; CHECK-NEXT: [[TMP8:%.*]] = extractelement <8 x i64> [[TMP1]], i32 3 +; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP8]] +; CHECK-NEXT: [[TMP10:%.*]] = extractelement <8 x i64> [[TMP1]], i32 4 +; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP10]] +; CHECK-NEXT: [[TMP12:%.*]] = extractelement <8 x i64> [[TMP1]], i32 5 +; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP12]] +; CHECK-NEXT: [[TMP14:%.*]] = extractelement <8 x i64> [[TMP1]], i32 6 +; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP14]] +; CHECK-NEXT: [[TMP16:%.*]] = extractelement <8 x i64> [[TMP1]], i32 7 +; CHECK-NEXT: [[TMP17:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP16]] +; CHECK-NEXT: [[TMP18:%.*]] = load i64, ptr [[TMP3]], align 8 +; CHECK-NEXT: [[TMP19:%.*]] = load i64, ptr [[TMP5]], align 8 +; CHECK-NEXT: [[TMP20:%.*]] = load i64, ptr [[TMP7]], align 8 +; CHECK-NEXT: [[TMP21:%.*]] = load i64, ptr [[TMP9]], align 8 +; CHECK-NEXT: [[TMP22:%.*]] = load i64, ptr [[TMP11]], align 8 +; CHECK-NEXT: [[TMP23:%.*]] = load i64, ptr [[TMP13]], align 8 +; CHECK-NEXT: [[TMP24:%.*]] = load i64, ptr [[TMP15]], align 8 +; CHECK-NEXT: [[TMP25:%.*]] = load i64, ptr [[TMP17]], align 8 +; CHECK-NEXT: [[TMP26:%.*]] = insertelement <8 x i64> poison, i64 [[TMP18]], i32 0 +; CHECK-NEXT: [[TMP27:%.*]] = insertelement <8 x i64> [[TMP26]], i64 [[TMP19]], i32 1 +; CHECK-NEXT: [[TMP28:%.*]] = insertelement <8 x i64> [[TMP27]], i64 [[TMP20]], i32 2 +; CHECK-NEXT: [[TMP29:%.*]] = insertelement <8 x i64> [[TMP28]], i64 [[TMP21]], i32 3 +; CHECK-NEXT: [[TMP30:%.*]] = insertelement <8 x i64> [[TMP29]], i64 [[TMP22]], i32 4 +; CHECK-NEXT: [[TMP31:%.*]] = insertelement <8 x i64> [[TMP30]], i64 [[TMP23]], i32 5 +; CHECK-NEXT: [[TMP32:%.*]] = insertelement <8 x i64> [[TMP31]], i64 [[TMP24]], i32 6 +; CHECK-NEXT: [[TMP33:%.*]] = insertelement <8 x i64> [[TMP32]], i64 [[TMP25]], i32 7 +; CHECK-NEXT: [[TMP34:%.*]] = add nsw <8 x i64> [[TMP33]], +; CHECK-NEXT: [[TMP35:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP36:%.*]] = getelementptr inbounds i64, ptr [[TMP35]], i32 0 +; CHECK-NEXT: store <8 x i64> [[TMP34]], ptr [[TMP36]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <8 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP37:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1000 +; CHECK-NEXT: br i1 [[TMP37]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1000, 1000 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1000, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV:%.*]] = udiv i64 [[IV]], 4 +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[DIV]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 1 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP7:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 0, %entry ], [ %iv_next, %loop ] + %div = udiv i64 %iv, 4 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %div + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv_next = add nsw i64 %iv, 1 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} + +; for (iv = 0 ; ; iv += 1) B[iv] = A[(iv/8)%3]; +define void @ld_div8_urem3(ptr noalias %A, ptr noalias %B) { +; CHECK-LABEL: define void @ld_div8_urem3 +; CHECK-SAME: (ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { +; CHECK-NEXT: entry: +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] +; CHECK: vector.ph: +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] +; CHECK: vector.body: +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <8 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0 +; CHECK-NEXT: [[TMP1:%.*]] = udiv <8 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP2:%.*]] = urem <8 x i64> [[TMP1]], +; CHECK-NEXT: [[TMP3:%.*]] = extractelement <8 x i64> [[TMP2]], i32 0 +; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP3]] +; CHECK-NEXT: [[TMP5:%.*]] = extractelement <8 x i64> [[TMP2]], i32 1 +; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP5]] +; CHECK-NEXT: [[TMP7:%.*]] = extractelement <8 x i64> [[TMP2]], i32 2 +; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP7]] +; CHECK-NEXT: [[TMP9:%.*]] = extractelement <8 x i64> [[TMP2]], i32 3 +; CHECK-NEXT: [[TMP10:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP9]] +; CHECK-NEXT: [[TMP11:%.*]] = extractelement <8 x i64> [[TMP2]], i32 4 +; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP11]] +; CHECK-NEXT: [[TMP13:%.*]] = extractelement <8 x i64> [[TMP2]], i32 5 +; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP13]] +; CHECK-NEXT: [[TMP15:%.*]] = extractelement <8 x i64> [[TMP2]], i32 6 +; CHECK-NEXT: [[TMP16:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP15]] +; CHECK-NEXT: [[TMP17:%.*]] = extractelement <8 x i64> [[TMP2]], i32 7 +; CHECK-NEXT: [[TMP18:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP17]] +; CHECK-NEXT: [[TMP19:%.*]] = load i64, ptr [[TMP4]], align 8 +; CHECK-NEXT: [[TMP20:%.*]] = load i64, ptr [[TMP6]], align 8 +; CHECK-NEXT: [[TMP21:%.*]] = load i64, ptr [[TMP8]], align 8 +; CHECK-NEXT: [[TMP22:%.*]] = load i64, ptr [[TMP10]], align 8 +; CHECK-NEXT: [[TMP23:%.*]] = load i64, ptr [[TMP12]], align 8 +; CHECK-NEXT: [[TMP24:%.*]] = load i64, ptr [[TMP14]], align 8 +; CHECK-NEXT: [[TMP25:%.*]] = load i64, ptr [[TMP16]], align 8 +; CHECK-NEXT: [[TMP26:%.*]] = load i64, ptr [[TMP18]], align 8 +; CHECK-NEXT: [[TMP27:%.*]] = insertelement <8 x i64> poison, i64 [[TMP19]], i32 0 +; CHECK-NEXT: [[TMP28:%.*]] = insertelement <8 x i64> [[TMP27]], i64 [[TMP20]], i32 1 +; CHECK-NEXT: [[TMP29:%.*]] = insertelement <8 x i64> [[TMP28]], i64 [[TMP21]], i32 2 +; CHECK-NEXT: [[TMP30:%.*]] = insertelement <8 x i64> [[TMP29]], i64 [[TMP22]], i32 3 +; CHECK-NEXT: [[TMP31:%.*]] = insertelement <8 x i64> [[TMP30]], i64 [[TMP23]], i32 4 +; CHECK-NEXT: [[TMP32:%.*]] = insertelement <8 x i64> [[TMP31]], i64 [[TMP24]], i32 5 +; CHECK-NEXT: [[TMP33:%.*]] = insertelement <8 x i64> [[TMP32]], i64 [[TMP25]], i32 6 +; CHECK-NEXT: [[TMP34:%.*]] = insertelement <8 x i64> [[TMP33]], i64 [[TMP26]], i32 7 +; CHECK-NEXT: [[TMP35:%.*]] = add nsw <8 x i64> [[TMP34]], +; CHECK-NEXT: [[TMP36:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[TMP0]] +; CHECK-NEXT: [[TMP37:%.*]] = getelementptr inbounds i64, ptr [[TMP36]], i32 0 +; CHECK-NEXT: store <8 x i64> [[TMP35]], ptr [[TMP37]], align 8 +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8 +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <8 x i64> [[VEC_IND]], +; CHECK-NEXT: [[TMP38:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1000 +; CHECK-NEXT: br i1 [[TMP38]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]] +; CHECK: middle.block: +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1000, 1000 +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] +; CHECK: scalar.ph: +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1000, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] +; CHECK-NEXT: br label [[LOOP:%.*]] +; CHECK: loop: +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] +; CHECK-NEXT: [[DIV:%.*]] = udiv i64 [[IV]], 8 +; CHECK-NEXT: [[REM:%.*]] = urem i64 [[DIV]], 3 +; CHECK-NEXT: [[GEP_LD:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[REM]] +; CHECK-NEXT: [[LD:%.*]] = load i64, ptr [[GEP_LD]], align 8 +; CHECK-NEXT: [[CALC:%.*]] = add nsw i64 [[LD]], 42 +; CHECK-NEXT: [[GEP_ST:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[IV]] +; CHECK-NEXT: store i64 [[CALC]], ptr [[GEP_ST]], align 8 +; CHECK-NEXT: [[IV_NEXT]] = add nsw i64 [[IV]], 1 +; CHECK-NEXT: [[COND:%.*]] = icmp eq i64 [[IV_NEXT]], 1000 +; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP9:![0-9]+]] +; CHECK: exit: +; CHECK-NEXT: ret void +; +entry: + br label %loop +loop: + %iv = phi i64 [ 0, %entry ], [ %iv_next, %loop ] + %div = udiv i64 %iv, 8 + %rem = urem i64 %div, 3 + %gep_ld = getelementptr inbounds i64, ptr %A, i64 %rem + %ld = load i64, ptr %gep_ld, align 8 + %calc = add nsw i64 %ld, 42 + %gep_st = getelementptr inbounds i64, ptr %B, i64 %iv + store i64 %calc, ptr %gep_st, align 8 + %iv_next = add nsw i64 %iv, 1 + %cond = icmp eq i64 %iv_next, 1000 + br i1 %cond, label %exit, label %loop +exit: + ret void +} -- 2.7.4