f5ee07a1b5
The "instruction" reordering mode should be selected only if there are
compatible instructions in other operands, which can be reordered.
Otherwise, better to select splat reordering mode.
Metric: size..text
Program size..text
results results0 diff
test-suite :: External/SPEC/CFP2017rate/526.blender_r/526.blender_r.test 12383340.00 12383324.00 -0.0%
Some 4x operations get replaced by 8x.
Reviewers: RKSimon
Reviewed By: RKSimon
Pull Request: https://github.com/llvm/llvm-project/pull/97485
72 lines
3.7 KiB
LLVM
72 lines
3.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
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; RUN: opt -S --passes=slp-vectorizer -mtriple=x86_64-unknown-linux < %s | FileCheck %s
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@a = external global [32000 x float], align 64
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define void @test() {
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; CHECK-LABEL: define void @test() {
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; CHECK-NEXT: [[ENTRY:.*]]:
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; CHECK-NEXT: br label %[[FOR_BODY:.*]]
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; CHECK: [[FOR_BODY]]:
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; CHECK-NEXT: [[TMP0:%.*]] = phi float [ 0.000000e+00, %[[ENTRY]] ], [ [[TMP16:%.*]], %[[FOR_BODY]] ]
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; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, %[[ENTRY]] ], [ [[INDVARS_IV_NEXT:%.*]], %[[FOR_BODY]] ]
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; CHECK-NEXT: [[TMP1:%.*]] = add nuw nsw i64 [[INDVARS_IV]], 1
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; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [32000 x float], ptr @a, i64 0, i64 [[TMP1]]
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; CHECK-NEXT: [[ARRAYIDX6:%.*]] = getelementptr inbounds [32000 x float], ptr @a, i64 0, i64 [[INDVARS_IV]]
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; CHECK-NEXT: [[TMP5:%.*]] = add nuw nsw i64 [[INDVARS_IV]], 4
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; CHECK-NEXT: [[ARRAYIDX31:%.*]] = getelementptr inbounds [32000 x float], ptr @a, i64 0, i64 [[TMP5]]
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; CHECK-NEXT: [[TMP14:%.*]] = load <4 x float>, ptr [[ARRAYIDX]], align 4
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; CHECK-NEXT: [[TMP4:%.*]] = shufflevector <4 x float> [[TMP14]], <4 x float> poison, <4 x i32> <i32 poison, i32 0, i32 1, i32 2>
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; CHECK-NEXT: [[TMP11:%.*]] = insertelement <4 x float> [[TMP4]], float [[TMP0]], i32 0
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; CHECK-NEXT: [[TMP15:%.*]] = fmul fast <4 x float> [[TMP11]], [[TMP14]]
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; CHECK-NEXT: store <4 x float> [[TMP15]], ptr [[ARRAYIDX6]], align 4
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; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 5
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; CHECK-NEXT: [[ARRAYIDX41:%.*]] = getelementptr inbounds [32000 x float], ptr @a, i64 0, i64 [[INDVARS_IV_NEXT]]
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; CHECK-NEXT: [[TMP16]] = load float, ptr [[ARRAYIDX41]], align 4
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; CHECK-NEXT: [[TMP6:%.*]] = extractelement <4 x float> [[TMP14]], i32 3
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; CHECK-NEXT: [[MUL45:%.*]] = fmul fast float [[TMP16]], [[TMP6]]
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; CHECK-NEXT: store float [[MUL45]], ptr [[ARRAYIDX31]], align 4
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; CHECK-NEXT: [[CMP2:%.*]] = icmp ult i64 [[INDVARS_IV]], 31990
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; CHECK-NEXT: br i1 [[CMP2]], label %[[FOR_BODY]], label %[[EXIT:.*]]
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; CHECK: [[EXIT]]:
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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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%0 = phi float [ 0.000000e+00, %entry ], [ %9, %for.body ]
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%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
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%1 = add nuw nsw i64 %indvars.iv, 1
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%arrayidx = getelementptr inbounds [32000 x float], ptr @a, i64 0, i64 %1
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%2 = load float, ptr %arrayidx, align 4
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%arrayidx6 = getelementptr inbounds [32000 x float], ptr @a, i64 0, i64 %indvars.iv
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%mul = fmul fast float %0, %2
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store float %mul, ptr %arrayidx6, align 4
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%3 = add nuw nsw i64 %indvars.iv, 2
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%arrayidx11 = getelementptr inbounds [32000 x float], ptr @a, i64 0, i64 %3
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%4 = load float, ptr %arrayidx11, align 4
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%mul15 = fmul fast float %4, %2
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store float %mul15, ptr %arrayidx, align 4
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%5 = add nuw nsw i64 %indvars.iv, 3
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%arrayidx21 = getelementptr inbounds [32000 x float], ptr @a, i64 0, i64 %5
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%6 = load float, ptr %arrayidx21, align 4
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%mul25 = fmul fast float %6, %4
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store float %mul25, ptr %arrayidx11, align 4
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%7 = add nuw nsw i64 %indvars.iv, 4
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%arrayidx31 = getelementptr inbounds [32000 x float], ptr @a, i64 0, i64 %7
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%8 = load float, ptr %arrayidx31, align 4
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%mul35 = fmul fast float %8, %6
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store float %mul35, ptr %arrayidx21, align 4
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 5
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%arrayidx41 = getelementptr inbounds [32000 x float], ptr @a, i64 0, i64 %indvars.iv.next
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%9 = load float, ptr %arrayidx41, align 4
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%mul45 = fmul fast float %9, %8
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store float %mul45, ptr %arrayidx31, align 4
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%cmp2 = icmp ult i64 %indvars.iv, 31990
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br i1 %cmp2, label %for.body, label %exit
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exit:
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ret void
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}
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