75 lines
4.3 KiB
LLVM
75 lines
4.3 KiB
LLVM
; RUN: opt -loop-vectorize -vectorizer-maximize-bandwidth -S -mattr=+sse2 --debug-only=loop-vectorize < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,SSE2
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; RUN: opt -loop-vectorize -vectorizer-maximize-bandwidth -S -mattr=+avx --debug-only=loop-vectorize < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,AVX1
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; RUN: opt -loop-vectorize -vectorizer-maximize-bandwidth -S -mattr=+avx2 --debug-only=loop-vectorize < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,AVX2
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; RUN: opt -loop-vectorize -vectorizer-maximize-bandwidth -S -mattr=+avx512bw,+avx512vl --debug-only=loop-vectorize < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,AVX512
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; REQUIRES: asserts
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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@A = global [1024 x i64] zeroinitializer, align 128
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@B = global [1024 x i8] zeroinitializer, align 128
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; CHECK: LV: Checking a loop in "test"
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;
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; SSE2: LV: Found an estimated cost of 1 for VF 1 For instruction: %v0 = load i64, i64* %in0, align 8
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; SSE2: LV: Found an estimated cost of 4 for VF 2 For instruction: %v0 = load i64, i64* %in0, align 8
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; SSE2: LV: Found an estimated cost of 28 for VF 4 For instruction: %v0 = load i64, i64* %in0, align 8
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; SSE2: LV: Found an estimated cost of 56 for VF 8 For instruction: %v0 = load i64, i64* %in0, align 8
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; SSE2: LV: Found an estimated cost of 112 for VF 16 For instruction: %v0 = load i64, i64* %in0, align 8
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;
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; AVX1: LV: Found an estimated cost of 1 for VF 1 For instruction: %v0 = load i64, i64* %in0, align 8
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; AVX1: LV: Found an estimated cost of 3 for VF 2 For instruction: %v0 = load i64, i64* %in0, align 8
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; AVX1: LV: Found an estimated cost of 26 for VF 4 For instruction: %v0 = load i64, i64* %in0, align 8
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; AVX1: LV: Found an estimated cost of 52 for VF 8 For instruction: %v0 = load i64, i64* %in0, align 8
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; AVX1: LV: Found an estimated cost of 104 for VF 16 For instruction: %v0 = load i64, i64* %in0, align 8
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; AVX1: LV: Found an estimated cost of 208 for VF 32 For instruction: %v0 = load i64, i64* %in0, align 8
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;
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; AVX2: LV: Found an estimated cost of 1 for VF 1 For instruction: %v0 = load i64, i64* %in0, align 8
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; AVX2: LV: Found an estimated cost of 3 for VF 2 For instruction: %v0 = load i64, i64* %in0, align 8
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; AVX2: LV: Found an estimated cost of 6 for VF 4 For instruction: %v0 = load i64, i64* %in0, align 8
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; AVX2: LV: Found an estimated cost of 12 for VF 8 For instruction: %v0 = load i64, i64* %in0, align 8
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; AVX2: LV: Found an estimated cost of 24 for VF 16 For instruction: %v0 = load i64, i64* %in0, align 8
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; AVX2: LV: Found an estimated cost of 48 for VF 32 For instruction: %v0 = load i64, i64* %in0, align 8
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;
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; AVX512: LV: Found an estimated cost of 1 for VF 1 For instruction: %v0 = load i64, i64* %in0, align 8
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; AVX512: LV: Found an estimated cost of 3 for VF 2 For instruction: %v0 = load i64, i64* %in0, align 8
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; AVX512: LV: Found an estimated cost of 3 for VF 4 For instruction: %v0 = load i64, i64* %in0, align 8
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; AVX512: LV: Found an estimated cost of 5 for VF 8 For instruction: %v0 = load i64, i64* %in0, align 8
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; AVX512: LV: Found an estimated cost of 22 for VF 16 For instruction: %v0 = load i64, i64* %in0, align 8
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; AVX512: LV: Found an estimated cost of 80 for VF 32 For instruction: %v0 = load i64, i64* %in0, align 8
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; AVX512: LV: Found an estimated cost of 160 for VF 64 For instruction: %v0 = load i64, i64* %in0, align 8
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;
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; CHECK-NOT: LV: Found an estimated cost of {{[0-9]+}} for VF {{[0-9]+}} For instruction: %v0 = load i64, i64* %in0, align 8
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define void @test() {
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entry:
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br label %for.body
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for.body:
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%iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ]
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%iv.0 = add nuw nsw i64 %iv, 0
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%iv.1 = add nuw nsw i64 %iv, 1
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%in0 = getelementptr inbounds [1024 x i64], [1024 x i64]* @A, i64 0, i64 %iv.0
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%in1 = getelementptr inbounds [1024 x i64], [1024 x i64]* @A, i64 0, i64 %iv.1
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%v0 = load i64, i64* %in0
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%v1 = load i64, i64* %in1
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%reduce.add.0 = add i64 %v0, %v1
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%reduce.add.0.narrow = trunc i64 %reduce.add.0 to i8
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%out = getelementptr inbounds [1024 x i8], [1024 x i8]* @B, i64 0, i64 %iv.0
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store i8 %reduce.add.0.narrow, i8* %out
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%iv.next = add nuw nsw i64 %iv.0, 2
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%cmp = icmp ult i64 %iv.next, 1024
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br i1 %cmp, label %for.body, label %for.cond.cleanup
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for.cond.cleanup:
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ret void
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}
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