1 ; RUN: opt %s -tailcallelim -S | FileCheck %s 2 ; XFAIL: * 3 4 declare void @use(i8* nocapture, i8* nocapture) 5 6 define i8* @foo(i8* nocapture %A, i1 %cond) { 7 ; CHECK: tailrecurse: 8 ; CHECK: %A.tr = phi i8* [ %A, %0 ], [ %B, %cond_true ] 9 ; CHECK: %cond.tr = phi i1 [ %cond, %0 ], [ false, %cond_true ] 10 %B = alloca i8 11 ; CHECK: %B = alloca i8 12 br i1 %cond, label %cond_true, label %cond_false 13 ; CHECK: br i1 %cond.tr, label %cond_true, label %cond_false 14 cond_true: 15 ; CHECK: cond_true: 16 ; CHECK: br label %tailrecurse 17 call i8* @foo(i8* %B, i1 false) 18 ret i8* null 19 cond_false: 20 ; CHECK: cond_false 21 call void @use(i8* %A, i8* %B) 22 ; CHECK: tail call void @use(i8* %A.tr, i8* %B) 23 ret i8* null 24 ; CHECK: ret i8* null 25 } 26
