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9ac743a4ee
For example, MachineLICM should not hoist a load that is not guaranteed to be executed. Radar 10254254. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141569 91177308-0d34-0410-b5e6-96231b3b80d8
57 lines
2.3 KiB
LLVM
57 lines
2.3 KiB
LLVM
; RUN: llc < %s | FileCheck %s
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; MachineLICM should check dominance before hoisting instructions.
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; CHECK: xorb %cl, %cl
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; CHECK-NEXT: testb %cl, %cl
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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target triple = "x86_64-apple-macosx10.7.2"
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define void @CMSColorWorldCreateParametricData() nounwind uwtable optsize ssp {
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entry:
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br label %for.body.i
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for.body.i: ; preds = %entry
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br i1 undef, label %for.inc.i, label %land.lhs.true21.i
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land.lhs.true21.i: ; preds = %for.body.i
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br i1 undef, label %if.then26.i, label %for.inc.i
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if.then26.i: ; preds = %land.lhs.true21.i
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br i1 undef, label %if.else.i.i, label %if.then.i.i
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if.then.i.i: ; preds = %if.then26.i
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unreachable
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if.else.i.i: ; preds = %if.then26.i
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br i1 undef, label %lor.lhs.false.i.i, label %if.then116.i.i
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lor.lhs.false.i.i: ; preds = %if.else.i.i
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br i1 undef, label %lor.lhs.false104.i.i, label %if.then116.i.i
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lor.lhs.false104.i.i: ; preds = %lor.lhs.false.i.i
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br i1 undef, label %lor.lhs.false108.i.i, label %if.then116.i.i
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lor.lhs.false108.i.i: ; preds = %lor.lhs.false104.i.i
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br i1 undef, label %lor.lhs.false112.i.i, label %if.then116.i.i
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lor.lhs.false112.i.i: ; preds = %lor.lhs.false108.i.i
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br i1 undef, label %if.else232.i.i, label %if.then116.i.i
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if.then116.i.i: ; preds = %lor.lhs.false112.i.i, %lor.lhs.false108.i.i, %lor.lhs.false104.i.i, %lor.lhs.false.i.i, %if.else.i.i
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unreachable
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if.else232.i.i: ; preds = %lor.lhs.false112.i.i
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br label %for.inc.i
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for.inc.i: ; preds = %if.else232.i.i, %land.lhs.true21.i, %for.body.i
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%cmp17.i = icmp ult i64 undef, undef
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br i1 %cmp17.i, label %for.body.i, label %if.end28.i
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if.end28.i: ; preds = %for.inc.i, %if.then10.i, %if.then6.i
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unreachable
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createTransformParams.exit: ; preds = %land.lhs.true3.i, %if.then.i, %land.lhs.true.i, %entry
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ret void
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}
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