blob: 54fc9b049b8e9b830a0082df87f5bd9e5d549cb9 [file] [log] [blame]
Evan Chengef42bea2011-04-11 21:09:18 +00001; 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 {
Stephen Lind24ab202013-07-14 06:24:09 +00007; CHECK-LABEL: t:
Evan Chengef42bea2011-04-11 21:09:18 +00008entry:
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:
Jakob Stoklund Olesen51b35f72011-05-03 22:31:21 +000017; CHECK: %for.
Will Dietz5cb7f4e2013-10-14 16:57:17 +000018; CHECK: mov{{.*}} r{{[0-9]+}}, #{{[01]}}
19; CHECK: mov{{.*}} r{{[0-9]+}}, #{{[01]}}
20; CHECK-NOT: mov r{{[0-9]+}}, #{{[01]}}
David Blaikie79e6c742015-02-27 19:29:02 +000021 %arrayidx = getelementptr i32, i32* %A, i32 %0
David Blaikiea79ac142015-02-27 21:17:42 +000022 %tmp4 = load i32, i32* %arrayidx, align 4
Evan Chengef42bea2011-04-11 21:09:18 +000023 %cmp6 = icmp eq i32 %tmp4, %value
24 br i1 %cmp6, label %return, label %for.inc
25
Evan Chengef42bea2011-04-11 21:09:18 +000026for.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}