commit e74ed0d53b5c12eb9cb463698df8e81c8a99549d
author Chris Lattner <sabre@nondot.org> Tue Nov 30 06:36:11 2004 +0000
committer Chris Lattner <sabre@nondot.org> Tue Nov 30 06:36:11 2004 +0000
tree 8b09df0c69e94b1762c6653056cc6f84ae6518ea
parent d510293e245518a3803868d0f8832ce12060f56d

Fix test/Regression/CodeGen/PowerPC/2004-11-29-ShrCrash.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18374 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/PowerPC/PPC32ISelSimple.cpp

diff --git a/lib/Target/PowerPC/PPC32ISelSimple.cpp b/lib/Target/PowerPC/PPC32ISelSimple.cpp
index 33512c1..7b9a312 100644
--- a/lib/Target/PowerPC/PPC32ISelSimple.cpp
+++ b/lib/Target/PowerPC/PPC32ISelSimple.cpp
@@ -2910,7 +2910,9 @@
       return;
     
     unsigned SrcReg = getReg (Op, MBB, IP);
-    if (isLeftShift) {
+    if (Amount == 0) {
+      BuildMI(*MBB, IP, PPC::OR, 2, DestReg).addReg(SrcReg).addReg(SrcReg);
+    } else if (isLeftShift) {
       BuildMI(*MBB, IP, PPC::RLWINM, 4, DestReg).addReg(SrcReg)
         .addImm(Amount).addImm(0).addImm(31-Amount);
     } else {