| ; RUN: opt -loop-vectorize -vectorizer-maximize-bandwidth -S -mattr=+sse2 --debug-only=loop-vectorize < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,SSE2 |
| ; RUN: opt -loop-vectorize -vectorizer-maximize-bandwidth -S -mattr=+sse42 --debug-only=loop-vectorize < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,SSE42 |
| ; RUN: opt -loop-vectorize -vectorizer-maximize-bandwidth -S -mattr=+avx --debug-only=loop-vectorize < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,AVX1 |
| ; RUN: opt -loop-vectorize -vectorizer-maximize-bandwidth -S -mattr=+avx2,-fast-gather --debug-only=loop-vectorize < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,AVX2-SLOWGATHER |
| ; RUN: opt -loop-vectorize -vectorizer-maximize-bandwidth -S -mattr=+avx2,+fast-gather --debug-only=loop-vectorize < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,AVX2-FASTGATHER |
| ; RUN: opt -loop-vectorize -vectorizer-maximize-bandwidth -S -mattr=+avx512bw --debug-only=loop-vectorize < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,AVX512 |
| |
| ; REQUIRES: asserts |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| @A = global [1024 x i8] zeroinitializer, align 128 |
| @B = global [1024 x i8] zeroinitializer, align 128 |
| @C = global [1024 x i8] zeroinitializer, align 128 |
| |
| ; CHECK: LV: Checking a loop in "test" |
| ; |
| ; SSE2: LV: Found an estimated cost of 1 for VF 1 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; SSE2: LV: Found an estimated cost of 25 for VF 2 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; SSE2: LV: Found an estimated cost of 51 for VF 4 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; SSE2: LV: Found an estimated cost of 103 for VF 8 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; SSE2: LV: Found an estimated cost of 207 for VF 16 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; |
| ; SSE42: LV: Found an estimated cost of 1 for VF 1 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; SSE42: LV: Found an estimated cost of 25 for VF 2 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; SSE42: LV: Found an estimated cost of 51 for VF 4 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; SSE42: LV: Found an estimated cost of 103 for VF 8 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; SSE42: LV: Found an estimated cost of 207 for VF 16 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; |
| ; AVX1: LV: Found an estimated cost of 1 for VF 1 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; AVX1: LV: Found an estimated cost of 24 for VF 2 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; AVX1: LV: Found an estimated cost of 48 for VF 4 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; AVX1: LV: Found an estimated cost of 96 for VF 8 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; AVX1: LV: Found an estimated cost of 192 for VF 16 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; AVX1: LV: Found an estimated cost of 386 for VF 32 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; |
| ; AVX2-SLOWGATHER: LV: Found an estimated cost of 1 for VF 1 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; AVX2-SLOWGATHER: LV: Found an estimated cost of 24 for VF 2 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; AVX2-SLOWGATHER: LV: Found an estimated cost of 48 for VF 4 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; AVX2-SLOWGATHER: LV: Found an estimated cost of 96 for VF 8 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; AVX2-SLOWGATHER: LV: Found an estimated cost of 192 for VF 16 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; AVX2-SLOWGATHER: LV: Found an estimated cost of 386 for VF 32 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; |
| ; AVX2-FASTGATHER: LV: Found an estimated cost of 1 for VF 1 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; AVX2-FASTGATHER: LV: Found an estimated cost of 26 for VF 2 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; AVX2-FASTGATHER: LV: Found an estimated cost of 54 for VF 4 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; AVX2-FASTGATHER: LV: Found an estimated cost of 108 for VF 8 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; AVX2-FASTGATHER: LV: Found an estimated cost of 216 for VF 16 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; AVX2-FASTGATHER: LV: Found an estimated cost of 434 for VF 32 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; |
| ; AVX512: LV: Found an estimated cost of 1 for VF 1 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; AVX512: LV: Found an estimated cost of 26 for VF 2 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; AVX512: LV: Found an estimated cost of 54 for VF 4 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; AVX512: LV: Found an estimated cost of 110 for VF 8 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; AVX512: LV: Found an estimated cost of 220 for VF 16 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; AVX512: LV: Found an estimated cost of 442 for VF 32 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; AVX512: LV: Found an estimated cost of 884 for VF 64 For instruction: %valB = load i8, i8* %inB, align 1 |
| ; |
| ; CHECK-NOT: LV: Found an estimated cost of {{[0-9]+}} for VF {{[0-9]+}} For instruction: %valB = load i8, i8* %inB, align 1 |
| define void @test() { |
| entry: |
| br label %for.body |
| |
| for.body: |
| %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ] |
| |
| %inA = getelementptr inbounds [1024 x i8], [1024 x i8]* @A, i64 0, i64 %iv |
| %valA = load i8, i8* %inA |
| %valA.ext = sext i8 %valA to i64 |
| |
| %inB = getelementptr inbounds [1024 x i8], [1024 x i8]* @B, i64 0, i64 %valA.ext |
| %valB = load i8, i8* %inB |
| |
| %out = getelementptr inbounds [1024 x i8], [1024 x i8]* @C, i64 0, i64 %iv |
| store i8 %valB, i8* %out |
| |
| %iv.next = add nuw nsw i64 %iv, 1 |
| %cmp = icmp ult i64 %iv.next, 1024 |
| br i1 %cmp, label %for.body, label %for.cond.cleanup |
| |
| for.cond.cleanup: |
| ret void |
| } |