use MVN to handle small negative constants


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32459 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ARM/long.ll b/test/CodeGen/ARM/long.ll
index 33e9b31..f067c51 100644
--- a/test/CodeGen/ARM/long.ll
+++ b/test/CodeGen/ARM/long.ll
@@ -1,9 +1,9 @@
 ; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm &&
 ; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm | grep "mov r1, #0" | wc -l | grep 4 &&
 ; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm | grep "mov r0, #1" | wc -l | grep 1 &&
-; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm | grep ".word.*2147483647" | wc -l | grep 2 &&
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm | grep "mvn r0, #-2147483648" | wc -l | grep 1 &&
 ; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm | grep "mov r0, #-2147483648" | wc -l | grep 1 &&
-; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm | grep ".word.*4294967295" | wc -l | grep 1 &&
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm | grep "mvn r1, #-2147483648" | wc -l | grep 1 &&
 ; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm | grep "adds" | wc -l | grep 1 &&
 ; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm | grep "adcs" | wc -l | grep 1 &&
 ; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm | grep "subs" | wc -l | grep 1 &&