source: icGREP/icgrep-devel/llvm-3.8.0.src/test/CodeGen/ARM/2011-04-11-MachineLICMBug.ll @ 5027

Last change on this file since 5027 was 5027, checked in by cameron, 3 years ago

Upgrade to llvm 3.8

File size: 894 bytes
Line 
1; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 | FileCheck %s
2
3; Overly aggressive LICM simply adds copies of constants
4; rdar://9266679
5
6define zeroext i1 @t(i32* nocapture %A, i32 %size, i32 %value) nounwind readonly ssp {
7; CHECK-LABEL: t:
8entry:
9  br label %for.cond
10
11for.cond:
12  %0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
13  %cmp = icmp ult i32 %0, %size
14  br i1 %cmp, label %for.body, label %return
15
16for.body:
17; CHECK: %for.
18; CHECK: mov{{.*}} r{{[0-9]+}}, #{{[01]}}
19; CHECK: mov{{.*}} r{{[0-9]+}}, #{{[01]}}
20; CHECK-NOT: mov r{{[0-9]+}}, #{{[01]}}
21  %arrayidx = getelementptr i32, i32* %A, i32 %0
22  %tmp4 = load i32, i32* %arrayidx, align 4
23  %cmp6 = icmp eq i32 %tmp4, %value
24  br i1 %cmp6, label %return, label %for.inc
25
26for.inc:
27  %inc = add i32 %0, 1
28  br label %for.cond
29
30return:
31  %retval.0 = phi i1 [ true, %for.body ], [ false, %for.cond ]
32  ret i1 %retval.0
33}
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