| ; RUN: opt < %s -tailcallelim -S | not grep call | |
| define i32 @factorial(i32 %x) { | |
| entry: | |
| %tmp.1 = icmp sgt i32 %x, 0 ; <i1> [#uses=1] | |
| br i1 %tmp.1, label %then, label %else | |
| then: ; preds = %entry | |
| %tmp.6 = add i32 %x, -1 ; <i32> [#uses=1] | |
| %tmp.4 = call i32 @factorial( i32 %tmp.6 ) ; <i32> [#uses=1] | |
| %tmp.7 = mul i32 %tmp.4, %x ; <i32> [#uses=1] | |
| ret i32 %tmp.7 | |
| else: ; preds = %entry | |
| ret i32 1 | |
| } | |