Mercurial > hg > CbC > CbC_llvm
view test/CodeGen/X86/dagcombine-buildvector.ll @ 100:7d135dc70f03 LLVM 3.9
LLVM 3.9
author | Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp> |
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date | Tue, 26 Jan 2016 22:53:40 +0900 |
parents | afa8332a0e37 |
children | 1172e4bd9c6f |
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; RUN: llc < %s -march=x86 -mcpu=penryn | FileCheck %s ; Shows a dag combine bug that will generate an illegal build vector ; with v2i64 build_vector i32, i32. ; CHECK-LABEL: test: ; CHECK: unpcklpd ; CHECK: movapd define void @test(<2 x double>* %dst, <4 x double> %src) nounwind { entry: %tmp7.i = shufflevector <4 x double> %src, <4 x double> undef, <2 x i32> < i32 0, i32 2 > store <2 x double> %tmp7.i, <2 x double>* %dst ret void } ; CHECK-LABEL: test2: ; CHECK: movdqa define void @test2(<4 x i16>* %src, <4 x i32>* %dest) nounwind { entry: %tmp1 = load <4 x i16>, <4 x i16>* %src %tmp3 = shufflevector <4 x i16> %tmp1, <4 x i16> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef> %0 = tail call <4 x i32> @llvm.x86.sse41.pmovzxwd(<8 x i16> %tmp3) store <4 x i32> %0, <4 x i32>* %dest ret void } declare <4 x i32> @llvm.x86.sse41.pmovzxwd(<8 x i16>) nounwind readnone