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| author | Sanjay Patel <spatel@rotateright.com> | 2016-03-09 17:53:28 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2016-03-09 17:53:28 +0000 |
| commit | 14f598e5df9b499ee2d7a4e01c875c4cf11d40c8 (patch) | |
| tree | 0b6f76daae49b392276fd90e5543b77ec3b38b51 /llvm/test/Transforms/LoopVectorize | |
| parent | e96f8b52d92ee7d1d13a7a0e1f22a15c2bc52f5b (diff) | |
| download | bcm5719-llvm-14f598e5df9b499ee2d7a4e01c875c4cf11d40c8.tar.gz bcm5719-llvm-14f598e5df9b499ee2d7a4e01c875c4cf11d40c8.zip | |
add a test RUN to show unexpected behavior
llvm-svn: 263037
Diffstat (limited to 'llvm/test/Transforms/LoopVectorize')
| -rw-r--r-- | llvm/test/Transforms/LoopVectorize/X86/avx1.ll | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/llvm/test/Transforms/LoopVectorize/X86/avx1.ll b/llvm/test/Transforms/LoopVectorize/X86/avx1.ll index 37977c43ac3..45d2346d13d 100644 --- a/llvm/test/Transforms/LoopVectorize/X86/avx1.ll +++ b/llvm/test/Transforms/LoopVectorize/X86/avx1.ll @@ -1,11 +1,12 @@ -; RUN: opt < %s -loop-vectorize -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx -S | FileCheck %s +; RUN: opt < %s -loop-vectorize -mattr=avx,+slow-unaligned-mem-32 -S | FileCheck %s --check-prefix=SLOWMEM32 --check-prefix=CHECK +; RUN: opt < %s -loop-vectorize -mattr=avx,-slow-unaligned-mem-32 -S | FileCheck %s --check-prefix=FASTMEM32 --check-prefix=CHECK target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" target triple = "x86_64-apple-macosx10.8.0" -;CHECK-LABEL: @read_mod_write_single_ptr( -;CHECK: load <8 x float> -;CHECK: ret i32 +; CHECK-LABEL: @read_mod_write_single_ptr( +; CHECK: load <8 x float> +; CHECK: ret i32 define i32 @read_mod_write_single_ptr(float* nocapture %a, i32 %n) nounwind uwtable ssp { %1 = icmp sgt i32 %n, 0 br i1 %1, label %.lr.ph, label %._crit_edge @@ -25,10 +26,11 @@ define i32 @read_mod_write_single_ptr(float* nocapture %a, i32 %n) nounwind uwta ret i32 undef } +;;; FIXME: If 32-byte accesses are fast, this should use a <4 x i64> load. -;CHECK-LABEL: @read_mod_i64( -;CHECK: load <2 x i64> -;CHECK: ret i32 +; CHECK-LABEL: @read_mod_i64( +; CHECK: load <2 x i64> +; CHECK: ret i32 define i32 @read_mod_i64(i64* nocapture %a, i32 %n) nounwind uwtable ssp { %1 = icmp sgt i32 %n, 0 br i1 %1, label %.lr.ph, label %._crit_edge @@ -47,3 +49,4 @@ define i32 @read_mod_i64(i64* nocapture %a, i32 %n) nounwind uwtable ssp { ._crit_edge: ; preds = %.lr.ph, %0 ret i32 undef } + |
