1; RUN: llc -mtriple armv7 -O0 -o - < %s | FileCheck %s -check-prefix CHECK-TAIL 2; RUN: llc -mtriple armv7 -O0 -disable-tail-calls -o - < %s \ 3; RUN: | FileCheck %s -check-prefix CHECK-NO-TAIL 4 5declare i32 @callee(i32 %i) 6 7define i32 @caller(i32 %i) { 8entry: 9 %r = tail call i32 @callee(i32 %i) 10 ret i32 %r 11} 12 13; CHECK-TAIL-LABEL: caller 14; CHECK-TAIL: b callee 15 16; CHECK-NO-TAIL-LABEL: caller 17; CHECK-NO-TAIL: push {lr} 18; CHECK-NO-TAIL: bl callee 19; CHECK-NO-TAIL: pop {lr} 20; CHECK-NO-TAIL: bx lr 21 22