Enable machine cse of instructions which define physical registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105308 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ARM/machine-cse-cmp.ll b/test/CodeGen/ARM/machine-cse-cmp.ll
new file mode 100644
index 0000000..c77402f
--- /dev/null
+++ b/test/CodeGen/ARM/machine-cse-cmp.ll
@@ -0,0 +1,18 @@
+; RUN: llc < %s -march=arm | FileCheck %s
+;rdar://8003725
+
+@G1 = external global i32
+@G2 = external global i32
+
+define i32 @f1(i32 %cond1, i32 %x1, i32 %x2, i32 %x3) {
+entry:
+; CHECK: cmp
+; CHECK: moveq
+; CHECK-NOT: cmp
+; CHECK: moveq
+ %tmp1 = icmp eq i32 %cond1, 0
+ %tmp2 = select i1 %tmp1, i32 %x1, i32 %x2
+ %tmp3 = select i1 %tmp1, i32 %x2, i32 %x3
+ %tmp4 = add i32 %tmp2, %tmp3
+ ret i32 %tmp4
+}