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-rw-r--r--llvm/test/CodeGen/ARM/inlineasm-64bit.ll9
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/inlineasm-64bit.ll b/llvm/test/CodeGen/ARM/inlineasm-64bit.ll
index b23db106320..69b3860305f 100644
--- a/llvm/test/CodeGen/ARM/inlineasm-64bit.ll
+++ b/llvm/test/CodeGen/ARM/inlineasm-64bit.ll
@@ -85,3 +85,12 @@ define void @strd_test(i64* %p, i32 %lo, i32 %hi) nounwind {
tail call void asm sideeffect "strd $0, ${0:H}, [$1]", "r,r"(i64 %4, i64* %p) nounwind
ret void
}
+
+; Make sure we don't untie operands by mistake.
+define i64 @tied_64bit_test(i64 %in) nounwind {
+; CHECK-LABEL: tied_64bit_test:
+; CHECK: OUT([[OUTREG:r[0-9]+]]), IN([[OUTREG]])
+ %addr = alloca i64
+ call void asm "OUT($0), IN($1)", "=*rm,0"(i64* %addr, i64 %in)
+ ret i64 %in
+}
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