[PPC] Disable reg+reg to reg+imm transformation.

It creates invalid instructions. PR35688.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321010 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/PowerPC/PPCMIPeephole.cpp b/lib/Target/PowerPC/PPCMIPeephole.cpp
index 27ded63..a264072 100644 (file)
--- a/lib/Target/PowerPC/PPCMIPeephole.cpp
+++ b/lib/Target/PowerPC/PPCMIPeephole.cpp
@@ -55,7 +55,7 @@ FixedPointRegToImm("ppc-reg-to-imm-fixed-point", cl::Hidden, cl::init(true),
                             "convert reg-reg instructions to reg-imm"));
 
 static cl::opt<bool>
-ConvertRegReg("ppc-convert-rr-to-ri", cl::Hidden, cl::init(true),
+ConvertRegReg("ppc-convert-rr-to-ri", cl::Hidden, cl::init(false),
               cl::desc("Convert eligible reg+reg instructions to reg+imm"));
 
 static cl::opt<bool>