190 lines
10 KiB
LLVM
190 lines
10 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -mtriple=s390x-unknown-linux -mcpu=z13 -passes=loop-vectorize,instcombine -force-vector-width=2 < %s | FileCheck %s
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;
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; Test that loop vectorizer does not generate vector addresses that must then
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; always be extracted.
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; Check that the addresses for a scalarized memory access is not extracted
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; from a vector register.
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define void @foo(ptr nocapture %A) {
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; CHECK-LABEL: @foo(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[VECTOR_PH:%.*]]
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; CHECK: vector.ph:
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; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
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; CHECK: vector.body:
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; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
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; CHECK-NEXT: [[DOTIDX:%.*]] = shl nsw i64 [[INDEX]], 4
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; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i8, ptr [[A:%.*]], i64 [[DOTIDX]]
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; CHECK-NEXT: [[DOTIDX1:%.*]] = shl i64 [[INDEX]], 4
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; CHECK-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[A]], i64 [[DOTIDX1]]
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; CHECK-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[TMP1]], i64 16
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; CHECK-NEXT: [[DOTIDX2:%.*]] = shl i64 [[INDEX]], 4
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; CHECK-NEXT: [[TMP31:%.*]] = getelementptr i8, ptr [[A]], i64 [[DOTIDX2]]
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; CHECK-NEXT: [[TMP32:%.*]] = getelementptr i8, ptr [[TMP31]], i64 32
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; CHECK-NEXT: [[DOTIDX3:%.*]] = shl i64 [[INDEX]], 4
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; CHECK-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[A]], i64 [[DOTIDX3]]
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; CHECK-NEXT: [[TMP6:%.*]] = getelementptr i8, ptr [[TMP5]], i64 48
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; CHECK-NEXT: [[DOTIDX4:%.*]] = shl i64 [[INDEX]], 4
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; CHECK-NEXT: [[TMP7:%.*]] = getelementptr i8, ptr [[A]], i64 [[DOTIDX4]]
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; CHECK-NEXT: [[TMP8:%.*]] = getelementptr i8, ptr [[TMP7]], i64 64
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; CHECK-NEXT: [[DOTIDX5:%.*]] = shl i64 [[INDEX]], 4
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; CHECK-NEXT: [[TMP9:%.*]] = getelementptr i8, ptr [[A]], i64 [[DOTIDX5]]
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; CHECK-NEXT: [[TMP10:%.*]] = getelementptr i8, ptr [[TMP9]], i64 80
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; CHECK-NEXT: [[DOTIDX6:%.*]] = shl i64 [[INDEX]], 4
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; CHECK-NEXT: [[TMP11:%.*]] = getelementptr i8, ptr [[A]], i64 [[DOTIDX6]]
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; CHECK-NEXT: [[TMP12:%.*]] = getelementptr i8, ptr [[TMP11]], i64 96
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; CHECK-NEXT: [[DOTIDX7:%.*]] = shl i64 [[INDEX]], 4
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; CHECK-NEXT: [[TMP13:%.*]] = getelementptr i8, ptr [[A]], i64 [[DOTIDX7]]
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; CHECK-NEXT: [[TMP14:%.*]] = getelementptr i8, ptr [[TMP13]], i64 112
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; CHECK-NEXT: [[DOTIDX8:%.*]] = shl i64 [[INDEX]], 4
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; CHECK-NEXT: [[TMP15:%.*]] = getelementptr i8, ptr [[A]], i64 [[DOTIDX8]]
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; CHECK-NEXT: [[TMP16:%.*]] = getelementptr i8, ptr [[TMP15]], i64 128
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; CHECK-NEXT: [[DOTIDX9:%.*]] = shl i64 [[INDEX]], 4
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; CHECK-NEXT: [[TMP17:%.*]] = getelementptr i8, ptr [[A]], i64 [[DOTIDX9]]
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; CHECK-NEXT: [[TMP18:%.*]] = getelementptr i8, ptr [[TMP17]], i64 144
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; CHECK-NEXT: [[DOTIDX10:%.*]] = shl i64 [[INDEX]], 4
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; CHECK-NEXT: [[TMP19:%.*]] = getelementptr i8, ptr [[A]], i64 [[DOTIDX10]]
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; CHECK-NEXT: [[TMP20:%.*]] = getelementptr i8, ptr [[TMP19]], i64 160
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; CHECK-NEXT: [[DOTIDX11:%.*]] = shl i64 [[INDEX]], 4
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; CHECK-NEXT: [[TMP21:%.*]] = getelementptr i8, ptr [[A]], i64 [[DOTIDX11]]
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; CHECK-NEXT: [[TMP22:%.*]] = getelementptr i8, ptr [[TMP21]], i64 176
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; CHECK-NEXT: [[DOTIDX12:%.*]] = shl i64 [[INDEX]], 4
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; CHECK-NEXT: [[TMP23:%.*]] = getelementptr i8, ptr [[A]], i64 [[DOTIDX12]]
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; CHECK-NEXT: [[TMP24:%.*]] = getelementptr i8, ptr [[TMP23]], i64 192
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; CHECK-NEXT: [[DOTIDX13:%.*]] = shl i64 [[INDEX]], 4
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; CHECK-NEXT: [[TMP25:%.*]] = getelementptr i8, ptr [[A]], i64 [[DOTIDX13]]
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; CHECK-NEXT: [[TMP26:%.*]] = getelementptr i8, ptr [[TMP25]], i64 208
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; CHECK-NEXT: [[DOTIDX14:%.*]] = shl i64 [[INDEX]], 4
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; CHECK-NEXT: [[TMP27:%.*]] = getelementptr i8, ptr [[A]], i64 [[DOTIDX14]]
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; CHECK-NEXT: [[TMP28:%.*]] = getelementptr i8, ptr [[TMP27]], i64 224
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; CHECK-NEXT: [[DOTIDX15:%.*]] = shl i64 [[INDEX]], 4
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; CHECK-NEXT: [[TMP29:%.*]] = getelementptr i8, ptr [[A]], i64 [[DOTIDX15]]
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; CHECK-NEXT: [[TMP30:%.*]] = getelementptr i8, ptr [[TMP29]], i64 240
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; CHECK-NEXT: store i32 4, ptr [[TMP2]], align 4
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; CHECK-NEXT: store i32 4, ptr [[TMP3]], align 4
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; CHECK-NEXT: store i32 4, ptr [[TMP32]], align 4
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; CHECK-NEXT: store i32 4, ptr [[TMP6]], align 4
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; CHECK-NEXT: store i32 4, ptr [[TMP8]], align 4
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; CHECK-NEXT: store i32 4, ptr [[TMP10]], align 4
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; CHECK-NEXT: store i32 4, ptr [[TMP12]], align 4
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; CHECK-NEXT: store i32 4, ptr [[TMP14]], align 4
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; CHECK-NEXT: store i32 4, ptr [[TMP16]], align 4
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; CHECK-NEXT: store i32 4, ptr [[TMP18]], align 4
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; CHECK-NEXT: store i32 4, ptr [[TMP20]], align 4
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; CHECK-NEXT: store i32 4, ptr [[TMP22]], align 4
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; CHECK-NEXT: store i32 4, ptr [[TMP24]], align 4
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; CHECK-NEXT: store i32 4, ptr [[TMP26]], align 4
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; CHECK-NEXT: store i32 4, ptr [[TMP28]], align 4
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; CHECK-NEXT: store i32 4, ptr [[TMP30]], align 4
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; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 16
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; CHECK-NEXT: [[TMP4:%.*]] = icmp eq i64 [[INDEX_NEXT]], 10000
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; CHECK-NEXT: br i1 [[TMP4]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
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; CHECK: middle.block:
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; CHECK-NEXT: br label [[FOR_BODY:%.*]]
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; CHECK: for.end:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %for.body
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for.body:
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%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
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%0 = shl nsw i64 %indvars.iv, 2
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%arrayidx = getelementptr inbounds i32, ptr %A, i64 %0
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store i32 4, ptr %arrayidx, align 4
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, 10000
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br i1 %exitcond, label %for.end, label %for.body
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for.end:
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ret void
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}
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; Check that a load of address is scalarized.
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define void @foo1(ptr nocapture noalias %A, ptr nocapture %PtrPtr) {
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; CHECK-LABEL: @foo1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[VECTOR_PH:%.*]]
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; CHECK: vector.ph:
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; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
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; CHECK: vector.body:
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; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
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; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds [8 x i8], ptr [[PTRPTR:%.*]], i64 [[INDEX]]
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; CHECK-NEXT: [[TMP11:%.*]] = getelementptr [8 x i8], ptr [[PTRPTR]], i64 [[INDEX]]
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; CHECK-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[TMP11]], i64 8
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; CHECK-NEXT: [[TMP15:%.*]] = getelementptr [8 x i8], ptr [[PTRPTR]], i64 [[INDEX]]
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; CHECK-NEXT: [[TMP16:%.*]] = getelementptr i8, ptr [[TMP15]], i64 16
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; CHECK-NEXT: [[TMP23:%.*]] = getelementptr [8 x i8], ptr [[PTRPTR]], i64 [[INDEX]]
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; CHECK-NEXT: [[TMP24:%.*]] = getelementptr i8, ptr [[TMP23]], i64 24
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; CHECK-NEXT: [[TMP25:%.*]] = getelementptr [8 x i8], ptr [[PTRPTR]], i64 [[INDEX]]
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; CHECK-NEXT: [[TMP26:%.*]] = getelementptr i8, ptr [[TMP25]], i64 32
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; CHECK-NEXT: [[TMP39:%.*]] = getelementptr [8 x i8], ptr [[PTRPTR]], i64 [[INDEX]]
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; CHECK-NEXT: [[TMP43:%.*]] = getelementptr i8, ptr [[TMP39]], i64 40
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; CHECK-NEXT: [[TMP44:%.*]] = getelementptr [8 x i8], ptr [[PTRPTR]], i64 [[INDEX]]
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; CHECK-NEXT: [[TMP12:%.*]] = getelementptr i8, ptr [[TMP44]], i64 48
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; CHECK-NEXT: [[TMP13:%.*]] = getelementptr [8 x i8], ptr [[PTRPTR]], i64 [[INDEX]]
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; CHECK-NEXT: [[TMP14:%.*]] = getelementptr i8, ptr [[TMP13]], i64 56
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; CHECK-NEXT: [[TMP3:%.*]] = load ptr, ptr [[TMP1]], align 8
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; CHECK-NEXT: [[TMP4:%.*]] = load ptr, ptr [[TMP2]], align 8
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; CHECK-NEXT: [[TMP17:%.*]] = load ptr, ptr [[TMP16]], align 8
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; CHECK-NEXT: [[TMP18:%.*]] = load ptr, ptr [[TMP24]], align 8
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; CHECK-NEXT: [[TMP19:%.*]] = load ptr, ptr [[TMP26]], align 8
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; CHECK-NEXT: [[TMP20:%.*]] = load ptr, ptr [[TMP43]], align 8
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; CHECK-NEXT: [[TMP21:%.*]] = load ptr, ptr [[TMP12]], align 8
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; CHECK-NEXT: [[TMP22:%.*]] = load ptr, ptr [[TMP14]], align 8
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; CHECK-NEXT: [[TMP5:%.*]] = load i32, ptr [[TMP3]], align 4
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; CHECK-NEXT: [[TMP6:%.*]] = load i32, ptr [[TMP4]], align 4
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; CHECK-NEXT: [[TMP7:%.*]] = insertelement <2 x i32> poison, i32 [[TMP5]], i64 0
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; CHECK-NEXT: [[TMP8:%.*]] = insertelement <2 x i32> [[TMP7]], i32 [[TMP6]], i64 1
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; CHECK-NEXT: [[TMP27:%.*]] = load i32, ptr [[TMP17]], align 4
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; CHECK-NEXT: [[TMP28:%.*]] = load i32, ptr [[TMP18]], align 4
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; CHECK-NEXT: [[TMP29:%.*]] = insertelement <2 x i32> poison, i32 [[TMP27]], i64 0
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; CHECK-NEXT: [[TMP30:%.*]] = insertelement <2 x i32> [[TMP29]], i32 [[TMP28]], i64 1
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; CHECK-NEXT: [[TMP31:%.*]] = load i32, ptr [[TMP19]], align 4
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; CHECK-NEXT: [[TMP32:%.*]] = load i32, ptr [[TMP20]], align 4
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; CHECK-NEXT: [[TMP33:%.*]] = insertelement <2 x i32> poison, i32 [[TMP31]], i64 0
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; CHECK-NEXT: [[TMP34:%.*]] = insertelement <2 x i32> [[TMP33]], i32 [[TMP32]], i64 1
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; CHECK-NEXT: [[TMP35:%.*]] = load i32, ptr [[TMP21]], align 4
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; CHECK-NEXT: [[TMP36:%.*]] = load i32, ptr [[TMP22]], align 4
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; CHECK-NEXT: [[TMP37:%.*]] = insertelement <2 x i32> poison, i32 [[TMP35]], i64 0
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; CHECK-NEXT: [[TMP38:%.*]] = insertelement <2 x i32> [[TMP37]], i32 [[TMP36]], i64 1
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; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds [4 x i8], ptr [[A:%.*]], i64 [[INDEX]]
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; CHECK-NEXT: [[TMP40:%.*]] = getelementptr inbounds nuw i8, ptr [[TMP9]], i64 8
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; CHECK-NEXT: [[TMP41:%.*]] = getelementptr inbounds nuw i8, ptr [[TMP9]], i64 16
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; CHECK-NEXT: [[TMP42:%.*]] = getelementptr inbounds nuw i8, ptr [[TMP9]], i64 24
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; CHECK-NEXT: store <2 x i32> [[TMP8]], ptr [[TMP9]], align 4
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; CHECK-NEXT: store <2 x i32> [[TMP30]], ptr [[TMP40]], align 4
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; CHECK-NEXT: store <2 x i32> [[TMP34]], ptr [[TMP41]], align 4
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; CHECK-NEXT: store <2 x i32> [[TMP38]], ptr [[TMP42]], align 4
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; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
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; CHECK-NEXT: [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], 10000
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; CHECK-NEXT: br i1 [[TMP10]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]]
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; CHECK: middle.block:
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; CHECK-NEXT: br label [[FOR_BODY:%.*]]
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; CHECK: for.end:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %for.body
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for.body:
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%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
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%ptr = getelementptr inbounds ptr, ptr %PtrPtr, i64 %indvars.iv
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%el = load ptr, ptr %ptr
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%v = load i32, ptr %el
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%arrayidx = getelementptr inbounds i32, ptr %A, i64 %indvars.iv
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store i32 %v, ptr %arrayidx, align 4
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, 10000
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br i1 %exitcond, label %for.end, label %for.body
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for.end:
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ret void
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}
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