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comparison test/CodeGen/ARM/extload-knownzero.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 54457678186b
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-1:000000000000 0:95c75e76d11b
1 ; RUN: llc < %s -march=arm -mcpu=cortex-a8 | FileCheck %s
2 ; rdar://12771555
3
4 define void @foo(i16* %ptr, i32 %a) nounwind {
5 entry:
6 ; CHECK-LABEL: foo:
7 %tmp1 = icmp ult i32 %a, 100
8 br i1 %tmp1, label %bb1, label %bb2
9 bb1:
10 ; CHECK: ldrh
11 %tmp2 = load i16* %ptr, align 2
12 br label %bb2
13 bb2:
14 ; CHECK-NOT: uxth
15 ; CHECK: cmp
16 %tmp3 = phi i16 [ 0, %entry ], [ %tmp2, %bb1 ]
17 %cmp = icmp ult i16 %tmp3, 24
18 br i1 %cmp, label %bb3, label %exit
19 bb3:
20 call void @bar() nounwind
21 br label %exit
22 exit:
23 ret void
24 }
25
26 declare void @bar ()