Handle the situation where CodeGenPrepare removes a reference to a BB that has

[oota-llvm.git] / test / CodeGen / ARM / arm-modifier.ll

diff --git a/test/CodeGen/ARM/arm-modifier.ll b/test/CodeGen/ARM/arm-modifier.ll
index 396de37aef66b945fd1347638681945c5aac653c..5e12d8e0355514f1486cacbe4fda36ba1ff69035 100644 (file)
--- a/test/CodeGen/ARM/arm-modifier.ll
+++ b/test/CodeGen/ARM/arm-modifier.ll
@@ -57,3 +57,12 @@ store i64 %0, i64* @f3_var, align 4
 store i64 %1, i64* @f3_var, align 4
 ret void
 }
+
+define i64 @f4(i64* %val) nounwind {
+entry:
+  ;CHECK: f4
+  ;CHECK: ldrexd [[REG1:(r[0-9]?[02468])]], {{r[0-9]?[13579]}}, [r0]
+  ;CHECK: mov r0, [[REG1]]
+  %0 = tail call i64 asm sideeffect "ldrexd $0, ${0:H}, [$1]", "=&r,r,*Qo"(i64* %val, i64* %val) nounwind
+  ret i64 %0
+}