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Diffstat (limited to 'test/CodeGen/ARM/tail-call.ll')
| -rw-r--r-- | test/CodeGen/ARM/tail-call.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/tail-call.ll b/test/CodeGen/ARM/tail-call.ll new file mode 100644 index 000000000000..771158632ecf --- /dev/null +++ b/test/CodeGen/ARM/tail-call.ll @@ -0,0 +1,21 @@ +; RUN: llc -mtriple armv7 -O0 -o - < %s | FileCheck %s -check-prefix CHECK-TAIL +; RUN: llc -mtriple armv7 -O0 -disable-tail-calls -o - < %s \ +; RUN: | FileCheck %s -check-prefix CHECK-NO-TAIL + +declare i32 @callee(i32 %i) + +define i32 @caller(i32 %i) { +entry: + %r = tail call i32 @callee(i32 %i) + ret i32 %r +} + +; CHECK-TAIL-LABEL: caller +; CHECK-TAIL: b callee + +; CHECK-NO-TAIL-LABEL: caller +; CHECK-NO-TAIL: push {lr} +; CHECK-NO-TAIL: bl callee +; CHECK-NO-TAIL: pop {lr} +; CHECK-NO-TAIL: bx lr + |