Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/X86/vshift-5.ll @ 33:e4204d083e25
LLVM 3.5
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Thu, 12 Dec 2013 14:32:10 +0900 |
parents | 95c75e76d11b |
children | afa8332a0e37 |
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; RUN: llc < %s -march=x86 -mattr=+sse2 | FileCheck %s ; When loading the shift amount from memory, avoid generating the splat. define void @shift5a(<4 x i32> %val, <4 x i32>* %dst, i32* %pamt) nounwind { entry: ; CHECK-LABEL: shift5a: ; CHECK: movd ; CHECK: pslld %amt = load i32* %pamt %tmp0 = insertelement <4 x i32> undef, i32 %amt, i32 0 %shamt = shufflevector <4 x i32> %tmp0, <4 x i32> undef, <4 x i32> zeroinitializer %shl = shl <4 x i32> %val, %shamt store <4 x i32> %shl, <4 x i32>* %dst ret void } define void @shift5b(<4 x i32> %val, <4 x i32>* %dst, i32* %pamt) nounwind { entry: ; CHECK-LABEL: shift5b: ; CHECK: movd ; CHECK: psrad %amt = load i32* %pamt %tmp0 = insertelement <4 x i32> undef, i32 %amt, i32 0 %shamt = shufflevector <4 x i32> %tmp0, <4 x i32> undef, <4 x i32> zeroinitializer %shr = ashr <4 x i32> %val, %shamt store <4 x i32> %shr, <4 x i32>* %dst ret void } define void @shift5c(<4 x i32> %val, <4 x i32>* %dst, i32 %amt) nounwind { entry: ; CHECK-LABEL: shift5c: ; CHECK: movd ; CHECK: pslld %tmp0 = insertelement <4 x i32> undef, i32 %amt, i32 0 %shamt = shufflevector <4 x i32> %tmp0, <4 x i32> undef, <4 x i32> zeroinitializer %shl = shl <4 x i32> %val, %shamt store <4 x i32> %shl, <4 x i32>* %dst ret void } define void @shift5d(<4 x i32> %val, <4 x i32>* %dst, i32 %amt) nounwind { entry: ; CHECK-LABEL: shift5d: ; CHECK: movd ; CHECK: psrad %tmp0 = insertelement <4 x i32> undef, i32 %amt, i32 0 %shamt = shufflevector <4 x i32> %tmp0, <4 x i32> undef, <4 x i32> zeroinitializer %shr = ashr <4 x i32> %val, %shamt store <4 x i32> %shr, <4 x i32>* %dst ret void }