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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2016-11-14 14:45:16 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2016-11-14 14:45:16 +0000 |
| commit | 27fed8e5d636d67ed5e2dff77705dcae1fcd0b15 (patch) | |
| tree | 13c14878cb5ff358c251334e2ec8c047ddb6f258 /llvm/test/Transforms/LoopVectorize/X86 | |
| parent | e784395c99db265d8e7d358b1e03b1240abdad72 (diff) | |
| download | bcm5719-llvm-27fed8e5d636d67ed5e2dff77705dcae1fcd0b15.tar.gz bcm5719-llvm-27fed8e5d636d67ed5e2dff77705dcae1fcd0b15.zip | |
[X86][AVX] Fixed v16i16/v32i8 ADD/SUB costs on AVX1 subtargets
Add explicit v16i16/v32i8 ADD/SUB costs, matching the costs of v4i64/v8i32 - they were missing for some reason.
This has side effects on the LV max bandwidth tests (AVX1 now prefers 128-bit vectors vs AVX2 which still prefers 256-bit)
llvm-svn: 286832
Diffstat (limited to 'llvm/test/Transforms/LoopVectorize/X86')
| -rw-r--r-- | llvm/test/Transforms/LoopVectorize/X86/vector_max_bandwidth.ll | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/test/Transforms/LoopVectorize/X86/vector_max_bandwidth.ll b/llvm/test/Transforms/LoopVectorize/X86/vector_max_bandwidth.ll index fe9d59efc8b..a32cc46e913 100644 --- a/llvm/test/Transforms/LoopVectorize/X86/vector_max_bandwidth.ll +++ b/llvm/test/Transforms/LoopVectorize/X86/vector_max_bandwidth.ll @@ -1,4 +1,5 @@ -; RUN: opt -loop-vectorize -vectorizer-maximize-bandwidth -mcpu=corei7-avx -debug-only=loop-vectorize -S < %s 2>&1 | FileCheck %s +; RUN: opt -loop-vectorize -vectorizer-maximize-bandwidth -mcpu=corei7-avx -debug-only=loop-vectorize -S < %s 2>&1 | FileCheck %s --check-prefix=CHECK-AVX1 +; RUN: opt -loop-vectorize -vectorizer-maximize-bandwidth -mcpu=core-avx2 -debug-only=loop-vectorize -S < %s 2>&1 | FileCheck %s --check-prefix=CHECK-AVX2 ; REQUIRES: asserts target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" @@ -16,7 +17,8 @@ target triple = "x86_64-unknown-linux-gnu" ; -vectorizer-maximize-bandwidth is indicated. ; ; CHECK-label: foo -; CHECK: LV: Selecting VF: 32. +; CHECK-AVX1: LV: Selecting VF: 16. +; CHECK-AVX2: LV: Selecting VF: 32. define void @foo() { entry: br label %for.body |
