llvm-project/llvm/test/Transforms/ADCE/dce_pure_invoke.ll

16 lines
311 B
LLVM

; RUN: opt < %s -adce -S | grep null
declare i32 @strlen(i8*) readnone
define i32 @test() {
; invoke of pure function should not be deleted!
invoke i32 @strlen( i8* null ) readnone
to label %Cont unwind label %Other ; <i32>:1 [#uses=0]
Cont: ; preds = %0
ret i32 0
Other: ; preds = %0
ret i32 1
}