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llvm-mirror/test/CodeGen/X86/vec_compare-2.ll
Nate Begeman 3a9c51f256 Don't pull vector sext through both hands of a logical operation, since doing so prevents the fusion of vector sext and setcc into vsetcc.
Add a testcase for the above transformation.
Fix a bogus use of APInt noticed while tracking this down.

llvm-svn: 90423
2009-12-03 07:11:29 +00:00

30 lines
1.6 KiB
LLVM

; RUN: llc < %s -march=x86 -mcpu=penryn -disable-mmx | FileCheck %s
declare <4 x float> @llvm.x86.sse41.blendvps(<4 x float>, <4 x float>, <4 x float>) nounwind readnone
declare <8 x i16> @llvm.x86.sse41.packusdw(<4 x i32>, <4 x i32>) nounwind readnone
declare <4 x i32> @llvm.x86.sse41.pmaxsd(<4 x i32>, <4 x i32>) nounwind readnone
define void @blackDespeckle_wrapper(i8** %args_list, i64* %gtid, i64 %xend) {
entry:
; CHECK-NOT: set
; CHECK: pcmpgt
; CHECK: blendvps
%shr.i = ashr <4 x i32> zeroinitializer, <i32 3, i32 3, i32 3, i32 3> ; <<4 x i32>> [#uses=1]
%cmp318.i = sext <4 x i1> zeroinitializer to <4 x i32> ; <<4 x i32>> [#uses=1]
%sub322.i = sub <4 x i32> %shr.i, zeroinitializer ; <<4 x i32>> [#uses=1]
%cmp323.x = icmp slt <4 x i32> zeroinitializer, %sub322.i ; <<4 x i1>> [#uses=1]
%cmp323.i = sext <4 x i1> %cmp323.x to <4 x i32> ; <<4 x i32>> [#uses=1]
%or.i = or <4 x i32> %cmp318.i, %cmp323.i ; <<4 x i32>> [#uses=1]
%tmp10.i83.i = bitcast <4 x i32> %or.i to <4 x float> ; <<4 x float>> [#uses=1]
%0 = call <4 x float> @llvm.x86.sse41.blendvps(<4 x float> undef, <4 x float> undef, <4 x float> %tmp10.i83.i) nounwind ; <<4 x float>> [#uses=1]
%conv.i.i15.i = bitcast <4 x float> %0 to <4 x i32> ; <<4 x i32>> [#uses=1]
%swz.i.i28.i = shufflevector <4 x i32> %conv.i.i15.i, <4 x i32> undef, <2 x i32> <i32 0, i32 1> ; <<2 x i32>> [#uses=1]
%tmp6.i29.i = bitcast <2 x i32> %swz.i.i28.i to <4 x i16> ; <<4 x i16>> [#uses=1]
%swz.i30.i = shufflevector <4 x i16> %tmp6.i29.i, <4 x i16> undef, <2 x i32> <i32 0, i32 1> ; <<2 x i16>> [#uses=1]
store <2 x i16> %swz.i30.i, <2 x i16>* undef
unreachable
ret void
}