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; RUN: opt -bdce -S < %s | FileCheck %s
; RUN: opt -passes=bdce -S < %s | FileCheck %s
declare i32 @strlen(i8*) readonly nounwind
define void @test1() {
call i32 @strlen( i8* null )
ret void
; CHECK-LABEL: @test1
; CHECK-NOT: call
; CHECK: ret void
}
define i32 @test2() personality i32 (...)* @__gxx_personality_v0 {
; invoke of pure function should not be deleted!
invoke i32 @strlen( i8* null ) readnone
to label %Cont unwind label %Other
Cont: ; preds = %0
ret i32 0
Other: ; preds = %0
%exn = landingpad {i8*, i32}
cleanup
ret i32 1
; CHECK-LABEL: @test2
; CHECK: invoke
; CHECK: ret i32 1
}
declare i32 @__gxx_personality_v0(...)
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