25 lines
581 B
LLVM
25 lines
581 B
LLVM
; REQUIRES: asserts
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; RUN: opt -hotcoldsplit -debug-only=hotcoldsplit -hotcoldsplit-threshold=2 -S < %s -o /dev/null 2>&1 | FileCheck %s
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declare void @sink() cold
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@g = global i32 0
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define i32 @foo(i32 %arg) {
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entry:
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br i1 undef, label %cold, label %exit
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cold:
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; CHECK: Applying penalty for splitting: 2
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; CHECK-NEXT: Applying penalty for: 1 params
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; CHECK-NEXT: Applying penalty for: 1 outputs/split phis
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; CHECK-NEXT: penalty = 7
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%local = load i32, i32* @g
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call void @sink()
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br label %exit
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exit:
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%p = phi i32 [ %local, %cold ], [ 0, %entry ]
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ret i32 %p
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}
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