diff options
| author | Lang Hames <lhames@gmail.com> | 2011-12-17 01:08:46 +0000 |
|---|---|---|
| committer | Lang Hames <lhames@gmail.com> | 2011-12-17 01:08:46 +0000 |
| commit | da07b3ad420ef31b50a3c3621c9445a2c15fef45 (patch) | |
| tree | 38d9d1b3a7c0d1fb3b926a172a697920bf6f4f64 /llvm/test/CodeGen/X86/2011-12-15-vec_shift.ll | |
| parent | e71e5cae5c1225906a73ade3f95be90f63018f42 (diff) | |
| download | bcm5719-llvm-da07b3ad420ef31b50a3c3621c9445a2c15fef45.tar.gz bcm5719-llvm-da07b3ad420ef31b50a3c3621c9445a2c15fef45.zip | |
Make sure that the lower bits on the VSELECT condition are properly set.
llvm-svn: 146800
Diffstat (limited to 'llvm/test/CodeGen/X86/2011-12-15-vec_shift.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/2011-12-15-vec_shift.ll | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/llvm/test/CodeGen/X86/2011-12-15-vec_shift.ll b/llvm/test/CodeGen/X86/2011-12-15-vec_shift.ll index 2b98b5aac18..6f9188c4426 100644 --- a/llvm/test/CodeGen/X86/2011-12-15-vec_shift.ll +++ b/llvm/test/CodeGen/X86/2011-12-15-vec_shift.ll @@ -1,12 +1,19 @@ -; RUN: llc -march=x86-64 -mcpu=corei7 < %s | FileCheck %s +; RUN: llc -march=x86-64 -mattr=+sse41 < %s | FileCheck %s -check-prefix=CHECK-W-SSE4 +; RUN: llc -march=x86-64 -mattr=-sse41 < %s | FileCheck %s -check-prefix=CHECK-WO-SSE4 ; Test case for r146671 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-macosx10.7" define <16 x i8> @shift(<16 x i8> %a, <16 x i8> %b) nounwind { - ; CHECK: psllw $4, [[REG:%xmm.]] - ; CHECK-NEXT: movdqa - ; CHECK-NEXT: pblendvb [[REG]],{{ %xmm.}} + ; Make sure operands to pblend are in the right order. + ; CHECK-W-SSE4: psllw $4, [[REG1:%xmm.]] + ; CHECK-W-SSE4: pblendvb [[REG1]],{{ %xmm.}} + ; CHECK-W-SSE4: psllw $2 + + ; Make sure we're masking and pcmp'ing the VSELECT conditon vector. + ; CHECK-WO-SSE4: psllw $5, [[REG1:%xmm.]] + ; CHECK-WO-SSE4: pand [[REG1]], [[REG2:%xmm.]] + ; CHECK-WO-SSE4: pcmpeqb {{%xmm., }}[[REG2]] %1 = shl <16 x i8> %a, %b ret <16 x i8> %1 } |
