forked from OSchip/llvm-project
54 lines
1006 B
LLVM
54 lines
1006 B
LLVM
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; REQUIRES: asserts
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; RUN: opt -hotcoldsplit -debug-only=hotcoldsplit -S < %s -o /dev/null 2>&1 | FileCheck %s
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declare void @sink() cold
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; CHECK-LABEL: Outlining in one_non_region_successor
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define void @one_non_region_successor(i32 %arg) {
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entry:
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br i1 undef, label %cold1, label %exit
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cold1:
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; CHECK: Applying penalty for: 1 non-region successor
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call void @sink()
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br i1 undef, label %cold2, label %cold3
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cold2:
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br i1 undef, label %cold4, label %exit
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cold3:
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br i1 undef, label %cold4, label %exit
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cold4:
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unreachable
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exit:
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ret void
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}
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; CHECK-LABEL: Outlining in two_non_region_successor
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define void @two_non_region_successors(i32 %arg) {
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entry:
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br i1 undef, label %cold1, label %exit1
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cold1:
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; CHECK: Applying penalty for: 2 non-region successors
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call void @sink()
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br i1 undef, label %cold2, label %cold3
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cold2:
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br i1 undef, label %cold4, label %exit1
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cold3:
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br i1 undef, label %cold4, label %exit2
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cold4:
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unreachable
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exit1:
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br label %exit2
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exit2:
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ret void
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}
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