Use regex to remove false dependencies on register allocation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138137 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/ARM/avoid-cpsr-rmw.ll b/test/CodeGen/ARM/avoid-cpsr-rmw.ll
index d148bbe..92aff70 100644 (file)
--- a/test/CodeGen/ARM/avoid-cpsr-rmw.ll
+++ b/test/CodeGen/ARM/avoid-cpsr-rmw.ll
@@ -6,9 +6,9 @@
 define i32 @t(i32 %a, i32 %b, i32 %c, i32 %d) nounwind readnone {
  entry:
 ; CHECK: t:
-; CHECK: muls r2, r2, r3
-; CHECK-NEXT: mul  r0, r0, r1
-; CHECK-NEXT: muls r0, r0, r2
+; CHECK: muls [[REG:(r[0-9]+)]], r2, r3
+; CHECK-NEXT: mul  [[REG2:(r[0-9]+)]], r0, r1
+; CHECK-NEXT: muls r0, [[REG2]], [[REG]]
   %0 = mul nsw i32 %a, %b
   %1 = mul nsw i32 %c, %d
   %2 = mul nsw i32 %0, %1