llvm-project/llvm/test/Transforms/Inline/inline_dce.ll

26 lines
600 B
LLVM

; This checks to ensure that the inline pass deletes functions if they get
; inlined into all of their callers.
; RUN: opt < %s -inline -S | \
; RUN: not grep @reallysmall
define internal i32 @reallysmall(i32 %A) {
ret i32 %A
}
define void @caller1() {
call i32 @reallysmall( i32 5 ) ; <i32>:1 [#uses=0]
ret void
}
define void @caller2(i32 %A) {
call i32 @reallysmall( i32 %A ) ; <i32>:1 [#uses=0]
ret void
}
define i32 @caller3(i32 %A) {
%B = call i32 @reallysmall( i32 %A ) ; <i32> [#uses=1]
ret i32 %B
}