Use TII->findCommutedOpIndices to find the commute operands (rather than guessing).
llvm-svn: 76472
diff --git a/llvm/test/CodeGen/Thumb/2009-07-20-TwoAddrBug.ll b/llvm/test/CodeGen/Thumb/2009-07-20-TwoAddrBug.ll
new file mode 100644
index 0000000..3e18d29
--- /dev/null
+++ b/llvm/test/CodeGen/Thumb/2009-07-20-TwoAddrBug.ll
@@ -0,0 +1,11 @@
+; RUN: llvm-as < %s | llc -mtriple=thumbv6-apple-darwin10
+
+@Time.2535 = external global i64 ; <i64*> [#uses=2]
+
+define arm_apcscc i64 @millisecs() nounwind {
+entry:
+ %0 = load i64* @Time.2535, align 4 ; <i64> [#uses=2]
+ %1 = add i64 %0, 1 ; <i64> [#uses=1]
+ store i64 %1, i64* @Time.2535, align 4
+ ret i64 %0
+}