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comparison test/CodeGen/X86/widen_load-0.ll @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
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children 60c9769439b8
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-1:000000000000 0:95c75e76d11b
1 ; RUN: llc < %s -o - -mtriple=x86_64-linux -mcpu=corei7 | FileCheck %s
2 ; PR4891
3
4 ; Both loads should happen before either store.
5
6 ; CHECK: movl ({{.*}}), {{.*}}
7 ; CHECK: movl ({{.*}}), {{.*}}
8 ; CHECK: movl {{.*}}, ({{.*}})
9 ; CHECK: movl {{.*}}, ({{.*}})
10
11 define void @short2_int_swap(<2 x i16>* nocapture %b, i32* nocapture %c) nounwind {
12 entry:
13 %0 = load <2 x i16>* %b, align 2 ; <<2 x i16>> [#uses=1]
14 %1 = load i32* %c, align 4 ; <i32> [#uses=1]
15 %tmp1 = bitcast i32 %1 to <2 x i16> ; <<2 x i16>> [#uses=1]
16 store <2 x i16> %tmp1, <2 x i16>* %b, align 2
17 %tmp5 = bitcast <2 x i16> %0 to <1 x i32> ; <<1 x i32>> [#uses=1]
18 %tmp3 = extractelement <1 x i32> %tmp5, i32 0 ; <i32> [#uses=1]
19 store i32 %tmp3, i32* %c, align 4
20 ret void
21 }