1 ; RUN: opt < %s -tailcallelim -S | FileCheck %s 2 ; PR7328 3 ; PR7506 4 define i32 @foo(i32 %x) { 5 ; CHECK: define i32 @foo 6 ; CHECK: %accumulator.tr = phi i32 [ 1, %entry ], [ 0, %body ] 7 entry: 8 %cond = icmp ugt i32 %x, 0 ; <i1> [#uses=1] 9 br i1 %cond, label %return, label %body 10 11 body: ; preds = %entry 12 %y = add i32 %x, 1 ; <i32> [#uses=1] 13 %tmp = call i32 @foo(i32 %y) ; <i32> [#uses=0] 14 ; CHECK-NOT: call 15 ret i32 0 16 ; CHECK: ret i32 %accumulator.tr 17 18 return: ; preds = %entry 19 ret i32 1 20 } 21
