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; RUN: opt < %s -simplifycfg -S | FileCheck %s
declare void @bar()
; This testcase checks to see if the simplifycfg pass is converting invoke
; instructions to call instructions if the handler just rethrows the exception.
define i32 @test1() {
; CHECK: @test1
; CHECK-NEXT: call void @bar()
; CHECK-NEXT: ret i32 0
invoke void @bar( )
to label %Ok unwind label %Rethrow
Ok: ; preds = %0
ret i32 0
Rethrow: ; preds = %0
unwind
}
; Verify that simplifycfg isn't duplicating 'unwind' instructions. Doing this
; is bad because it discourages commoning.
define i32 @test2(i1 %c) {
; CHECK: @test2
; CHECK: T:
; CHECK-NEXT: call void @bar()
; CHECK-NEXT: br label %F
br i1 %c, label %T, label %F
T:
call void @bar()
br label %F
F:
unwind
}
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