[llvm] r274886 - AMDGPU: Minor adjustment to r274817

[Matt Arsenault via llvm-commits]

Author: arsenm
Date: Fri Jul  8 12:06:48 2016
New Revision: 274886

URL: http://llvm.org/viewvc/llvm-project?rev=274886&view=rev
Log:
AMDGPU: Minor adjustment to r274817

The commit message is inaccurate, modifiesRegister
will check for partial defs of exec.

We currently don't ever emit partial defs of exec,
so it doesn't really matter.

Modified:
    llvm/trunk/lib/Target/AMDGPU/SILowerControlFlow.cpp

Modified: llvm/trunk/lib/Target/AMDGPU/SILowerControlFlow.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/SILowerControlFlow.cpp?rev=274886&r1=274885&r2=274886&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/SILowerControlFlow.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/SILowerControlFlow.cpp Fri Jul  8 12:06:48 2016
@@ -644,7 +644,7 @@ bool SILowerControlFlow::runOnMachineFun
       if (TII->isFLAT(MI))
         NeedFlat = true;
 
-      if (I->definesRegister(AMDGPU::EXEC, TRI))
+      if (I->modifiesRegister(AMDGPU::EXEC, TRI))
         ExecModified = true;
 
       switch (MI.getOpcode()) {