Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/X86/widen_cast-1.ll @ 0:95c75e76d11b
LLVM 3.4
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Thu, 12 Dec 2013 13:56:28 +0900 |
parents | |
children | 54457678186b |
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; RUN: llc -march=x86 -mcpu=generic -mattr=+sse4.2 < %s | FileCheck %s ; RUN: llc -march=x86 -mcpu=atom < %s | FileCheck -check-prefix=ATOM %s ; CHECK: movl ; CHECK: paddd ; CHECK: movlpd ; Scheduler causes produce a different instruction order ; ATOM: movl ; ATOM: paddd ; ATOM: movlpd ; bitcast a v4i16 to v2i32 define void @convert(<2 x i32>* %dst, <4 x i16>* %src) nounwind { entry: %dst.addr = alloca <2 x i32>* ; <<2 x i32>**> [#uses=2] %src.addr = alloca <4 x i16>* ; <<4 x i16>**> [#uses=2] %i = alloca i32, align 4 ; <i32*> [#uses=6] store <2 x i32>* %dst, <2 x i32>** %dst.addr store <4 x i16>* %src, <4 x i16>** %src.addr store i32 0, i32* %i br label %forcond forcond: ; preds = %forinc, %entry %tmp = load i32* %i ; <i32> [#uses=1] %cmp = icmp slt i32 %tmp, 4 ; <i1> [#uses=1] br i1 %cmp, label %forbody, label %afterfor forbody: ; preds = %forcond %tmp1 = load i32* %i ; <i32> [#uses=1] %tmp2 = load <2 x i32>** %dst.addr ; <<2 x i32>*> [#uses=1] %arrayidx = getelementptr <2 x i32>* %tmp2, i32 %tmp1 ; <<2 x i32>*> [#uses=1] %tmp3 = load i32* %i ; <i32> [#uses=1] %tmp4 = load <4 x i16>** %src.addr ; <<4 x i16>*> [#uses=1] %arrayidx5 = getelementptr <4 x i16>* %tmp4, i32 %tmp3 ; <<4 x i16>*> [#uses=1] %tmp6 = load <4 x i16>* %arrayidx5 ; <<4 x i16>> [#uses=1] %add = add <4 x i16> %tmp6, < i16 1, i16 1, i16 1, i16 1 > ; <<4 x i16>> [#uses=1] %conv = bitcast <4 x i16> %add to <2 x i32> ; <<2 x i32>> [#uses=1] store <2 x i32> %conv, <2 x i32>* %arrayidx br label %forinc forinc: ; preds = %forbody %tmp7 = load i32* %i ; <i32> [#uses=1] %inc = add i32 %tmp7, 1 ; <i32> [#uses=1] store i32 %inc, i32* %i br label %forcond afterfor: ; preds = %forcond ret void }