[llvm-commits] [llvm] r40538 - /llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp

[Evan Cheng]

Author: evancheng
Date: Thu Jul 26 12:45:41 2007
New Revision: 40538

URL: http://llvm.org/viewvc/llvm-project?rev=40538&view=rev
Log:
Make sure epilogue esp adjustment is placed before any terminator and pop instructions.

Modified:
    llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp

Modified: llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp?rev=40538&r1=40537&r2=40538&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp Thu Jul 26 12:45:41 2007
@@ -1372,8 +1372,9 @@
 
   // Skip the callee-saved pop instructions.
   while (MBBI != MBB.begin()) {
-    MachineBasicBlock::iterator PI = prior(MBBI);      
-    if (PI->getOpcode() != X86::POP32r && PI->getOpcode() != X86::POP64r)
+    MachineBasicBlock::iterator PI = prior(MBBI);
+    unsigned Opc = PI->getOpcode();
+    if (Opc != X86::POP32r && Opc != X86::POP64r && !TII.isTerminatorInstr(Opc))
       break;
     --MBBI;
   }