llvm-project/llvm/test/Transforms/TailCallElim/intervening-inst.ll

18 lines
558 B
LLVM

; This function contains intervening instructions which should be moved out of the way
; RUN: llvm-as < %s | opt -tailcallelim | llvm-dis | not grep call
define i32 @Test(i32 %X) {
entry:
%tmp.1 = icmp eq i32 %X, 0 ; <i1> [#uses=1]
br i1 %tmp.1, label %then.0, label %endif.0
then.0: ; preds = %entry
%tmp.4 = add i32 %X, 1 ; <i32> [#uses=1]
ret i32 %tmp.4
endif.0: ; preds = %entry
%tmp.10 = add i32 %X, -1 ; <i32> [#uses=1]
%tmp.8 = call i32 @Test( i32 %tmp.10 ) ; <i32> [#uses=1]
%DUMMY = add i32 %X, 1 ; <i32> [#uses=0]
ret i32 %tmp.8
}