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35 lines
844 B
LLVM
35 lines
844 B
LLVM
; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 | FileCheck %s
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; Overly aggressive LICM simply adds copies of constants
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; rdar://9266679
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define zeroext i1 @t(i32* nocapture %A, i32 %size, i32 %value) nounwind readonly ssp {
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; CHECK: t:
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entry:
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br label %for.cond
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for.cond:
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%0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
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%cmp = icmp ult i32 %0, %size
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br i1 %cmp, label %for.body, label %return
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for.body:
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; CHECK: %for.
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; CHECK: movs r{{[0-9]+}}, #{{[01]}}
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%arrayidx = getelementptr i32* %A, i32 %0
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%tmp4 = load i32* %arrayidx, align 4
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%cmp6 = icmp eq i32 %tmp4, %value
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br i1 %cmp6, label %return, label %for.inc
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; CHECK: %for.
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; CHECK: movs r{{[0-9]+}}, #{{[01]}}
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for.inc:
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%inc = add i32 %0, 1
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br label %for.cond
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return:
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%retval.0 = phi i1 [ true, %for.body ], [ false, %for.cond ]
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ret i1 %retval.0
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}
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