diff options
Diffstat (limited to 'test/CodeGen/X86/2011-12-15-vec_shift.ll')
| -rw-r--r-- | test/CodeGen/X86/2011-12-15-vec_shift.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2011-12-15-vec_shift.ll b/test/CodeGen/X86/2011-12-15-vec_shift.ll new file mode 100644 index 0000000000000..6f9188c442684 --- /dev/null +++ b/test/CodeGen/X86/2011-12-15-vec_shift.ll @@ -0,0 +1,19 @@ +; 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 { + ; 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 +} |