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; REQUIRES: asserts
; RUN: opt -passes=hotcoldsplit -debug-only=hotcoldsplit -hotcoldsplit-threshold=2 -S < %s -o /dev/null 2>&1 | FileCheck %s
declare void @sink() cold
; CHECK-LABEL: Outlining in one_non_region_successor
define void @one_non_region_successor(i32 %arg) {
entry:
br i1 undef, label %cold1, label %exit
cold1:
; CHECK: Applying penalty for splitting: 2
; CHECK-NEXT: Applying penalty for: 0 params
; CHECK-NEXT: Applying penalty for: 0 outputs/split phis
; CHECK-NEXT: penalty = 2
call void @sink()
br i1 undef, label %cold2, label %cold3
cold2:
br i1 undef, label %cold4, label %exit
cold3:
br i1 undef, label %cold4, label %exit
cold4:
unreachable
exit:
ret void
}
; CHECK-LABEL: Outlining in two_non_region_successor
define void @two_non_region_successors(i32 %arg) {
entry:
br i1 undef, label %cold1, label %exit1
cold1:
; CHECK: Applying penalty for splitting: 2
; CHECK-NEXT: Applying penalty for: 0 params
; CHECK-NEXT: Applying penalty for: 0 outputs/split phis
; CHECK-NEXT: Applying penalty for: 2 non-region successors
; CHECK-NEXT: penalty = 3
call void @sink()
br i1 undef, label %cold2, label %cold3
cold2:
br i1 undef, label %cold4, label %exit1
cold3:
br i1 undef, label %cold4, label %exit2
cold4:
unreachable
exit1:
br label %exit2
exit2:
ret void
}
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