| ; 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 i16] zeroinitializer, align 128 |
| |
| ; CHECK: LV: Checking a loop in "test" |
| ; |
| ; SSE2: LV: Found an estimated cost of 1 for VF 1 For instruction: store i16 %valB, i16* %out, align 2 |
| ; SSE2: LV: Found an estimated cost of 2 for VF 2 For instruction: store i16 %valB, i16* %out, align 2 |
| ; SSE2: LV: Found an estimated cost of 4 for VF 4 For instruction: store i16 %valB, i16* %out, align 2 |
| ; SSE2: LV: Found an estimated cost of 8 for VF 8 For instruction: store i16 %valB, i16* %out, align 2 |
| ; SSE2: LV: Found an estimated cost of 16 for VF 16 For instruction: store i16 %valB, i16* %out, align 2 |
| ; |
| ; SSE42: LV: Found an estimated cost of 1 for VF 1 For instruction: store i16 %valB, i16* %out, align 2 |
| ; SSE42: LV: Found an estimated cost of 2 for VF 2 For instruction: store i16 %valB, i16* %out, align 2 |
| ; SSE42: LV: Found an estimated cost of 4 for VF 4 For instruction: store i16 %valB, i16* %out, align 2 |
| ; SSE42: LV: Found an estimated cost of 8 for VF 8 For instruction: store i16 %valB, i16* %out, align 2 |
| ; SSE42: LV: Found an estimated cost of 16 for VF 16 For instruction: store i16 %valB, i16* %out, align 2 |
| ; |
| ; AVX1: LV: Found an estimated cost of 1 for VF 1 For instruction: store i16 %valB, i16* %out, align 2 |
| ; AVX1: LV: Found an estimated cost of 2 for VF 2 For instruction: store i16 %valB, i16* %out, align 2 |
| ; AVX1: LV: Found an estimated cost of 4 for VF 4 For instruction: store i16 %valB, i16* %out, align 2 |
| ; AVX1: LV: Found an estimated cost of 8 for VF 8 For instruction: store i16 %valB, i16* %out, align 2 |
| ; AVX1: LV: Found an estimated cost of 20 for VF 16 For instruction: store i16 %valB, i16* %out, align 2 |
| ; AVX1: LV: Found an estimated cost of 40 for VF 32 For instruction: store i16 %valB, i16* %out, align 2 |
| ; |
| ; AVX2-SLOWGATHER: LV: Found an estimated cost of 1 for VF 1 For instruction: store i16 %valB, i16* %out, align 2 |
| ; AVX2-SLOWGATHER: LV: Found an estimated cost of 2 for VF 2 For instruction: store i16 %valB, i16* %out, align 2 |
| ; AVX2-SLOWGATHER: LV: Found an estimated cost of 4 for VF 4 For instruction: store i16 %valB, i16* %out, align 2 |
| ; AVX2-SLOWGATHER: LV: Found an estimated cost of 8 for VF 8 For instruction: store i16 %valB, i16* %out, align 2 |
| ; AVX2-SLOWGATHER: LV: Found an estimated cost of 20 for VF 16 For instruction: store i16 %valB, i16* %out, align 2 |
| ; AVX2-SLOWGATHER: LV: Found an estimated cost of 40 for VF 32 For instruction: store i16 %valB, i16* %out, align 2 |
| ; |
| ; AVX2-FASTGATHER: LV: Found an estimated cost of 1 for VF 1 For instruction: store i16 %valB, i16* %out, align 2 |
| ; AVX2-FASTGATHER: LV: Found an estimated cost of 2 for VF 2 For instruction: store i16 %valB, i16* %out, align 2 |
| ; AVX2-FASTGATHER: LV: Found an estimated cost of 4 for VF 4 For instruction: store i16 %valB, i16* %out, align 2 |
| ; AVX2-FASTGATHER: LV: Found an estimated cost of 8 for VF 8 For instruction: store i16 %valB, i16* %out, align 2 |
| ; AVX2-FASTGATHER: LV: Found an estimated cost of 20 for VF 16 For instruction: store i16 %valB, i16* %out, align 2 |
| ; AVX2-FASTGATHER: LV: Found an estimated cost of 40 for VF 32 For instruction: store i16 %valB, i16* %out, align 2 |
| ; |
| ; AVX512: LV: Found an estimated cost of 1 for VF 1 For instruction: store i16 %valB, i16* %out, align 2 |
| ; AVX512: LV: Found an estimated cost of 2 for VF 2 For instruction: store i16 %valB, i16* %out, align 2 |
| ; AVX512: LV: Found an estimated cost of 2 for VF 4 For instruction: store i16 %valB, i16* %out, align 2 |
| ; AVX512: LV: Found an estimated cost of 1 for VF 8 For instruction: store i16 %valB, i16* %out, align 2 |
| ; AVX512: LV: Found an estimated cost of 1 for VF 16 For instruction: store i16 %valB, i16* %out, align 2 |
| ; AVX512: LV: Found an estimated cost of 1 for VF 32 For instruction: store i16 %valB, i16* %out, align 2 |
| ; AVX512: LV: Found an estimated cost of 2 for VF 64 For instruction: store i16 %valB, i16* %out, align 2 |
| ; |
| ; CHECK-NOT: LV: Found an estimated cost of {{[0-9]+}} for VF {{[0-9]+}} For instruction: store i16 %valB, i16* %out, align 2 |
| define void @test([1024 x i16]* %C) { |
| entry: |
| br label %for.body |
| |
| for.body: |
| %iv = phi i64 [ 0, %entry ], [ %iv.next, %end ] |
| |
| %inB = getelementptr inbounds [1024 x i16], [1024 x i16]* @B, i64 0, i64 %iv |
| %valB = load i16, i16* %inB |
| |
| %inA = getelementptr inbounds [1024 x i8], [1024 x i8]* @A, i64 0, i64 %iv |
| %valA = load i8, i8* %inA |
| %canStore = icmp ne i8 %valA, 0 |
| br i1 %canStore, label %store, label %mask |
| |
| store: |
| %out = getelementptr inbounds [1024 x i16], [1024 x i16]* %C, i64 0, i64 %iv |
| store i16 %valB, i16* %out |
| br label %end |
| |
| mask: |
| br label %end |
| |
| end: |
| %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 |
| } |