File: 2005-12-02-TailCallBug.ll

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llvm-toolchain-20 1%3A20.1.6-1~exp1
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; PR672
; RUN: %lli -jit-kind=mcjit %s
; RUN: %lli %s
; XFAIL: target={{i686.*windows.*}}

define i32 @main() {
	%res = tail call fastcc i32 @check_tail( i32 10, ptr @check_tail, i32 10 )		; <i32> [#uses=1]
	ret i32 %res
}

define fastcc i32 @check_tail(i32 %x, ptr %f, i32 %g) {
	%tmp1 = icmp sgt i32 %x, 0		; <i1> [#uses=1]
	br i1 %tmp1, label %if-then, label %if-else
if-then:		; preds = %0
	%arg1 = add i32 %x, -1		; <i32> [#uses=1]
	%res = tail call fastcc i32 %f( i32 %arg1, ptr %f, i32 %g )		; <i32> [#uses=1]
	ret i32 %res
if-else:		; preds = %0
	ret i32 %x
}