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comparison test/CodeGen/ARM/undef-sext.ll @ 0:95c75e76d11b

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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 afa8332a0e37
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-1:000000000000 0:95c75e76d11b
1 ; RUN: llc < %s -mtriple=armv7-apple-darwin -mcpu=cortex-a8 | FileCheck %s
2
3 ; No need to sign-extend undef.
4
5 define i32 @t(i32* %a) nounwind {
6 entry:
7 ; CHECK-LABEL: t:
8 ; CHECK: ldr r0, [r0]
9 ; CHECK: bx lr
10 %0 = sext i16 undef to i32
11 %1 = getelementptr inbounds i32* %a, i32 %0
12 %2 = load i32* %1, align 4
13 ret i32 %2
14 }