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Diffstat (limited to 'test/CodeGen/ARM/nest-register.ll')
-rw-r--r-- | test/CodeGen/ARM/nest-register.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/nest-register.ll b/test/CodeGen/ARM/nest-register.ll new file mode 100644 index 000000000000..6b8c3dc47db1 --- /dev/null +++ b/test/CodeGen/ARM/nest-register.ll @@ -0,0 +1,21 @@ +; RUN: llc -mtriple=arm-eabi %s -o - | FileCheck %s + +; Tests that the 'nest' parameter attribute causes the relevant parameter to be +; passed in the right register. + +define i8* @nest_receiver(i8* nest %arg) nounwind { +; CHECK-LABEL: nest_receiver: +; CHECK: @ BB#0: +; CHECK-NEXT: mov r0, r12 +; CHECK-NEXT: mov pc, lr + ret i8* %arg +} + +define i8* @nest_caller(i8* %arg) nounwind { +; CHECK-LABEL: nest_caller: +; CHECK: mov r12, r0 +; CHECK-NEXT: bl nest_receiver +; CHECK: mov pc, lr + %result = call i8* @nest_receiver(i8* nest %arg) + ret i8* %result +} |