AMDGPU: Remove unnecessary check for isFullCopy

Subregister indexes are not used for physical register operands, so
isFullCopy is implied by the physical register check.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@356956 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/AMDGPU/SIOptimizeExecMaskingPreRA.cpp b/lib/Target/AMDGPU/SIOptimizeExecMaskingPreRA.cpp
index bc30b29a396ffb60496e257540c7c99d7f4ca8d7..21eecb1007f6ac9b1c6d672b390a3ee2219f014a 100644 (file)
--- a/lib/Target/AMDGPU/SIOptimizeExecMaskingPreRA.cpp
+++ b/lib/Target/AMDGPU/SIOptimizeExecMaskingPreRA.cpp
@@ -76,7 +76,7 @@ static bool isEndCF(const MachineInstr& MI, const SIRegisterInfo* TRI) {
 }
 
 static bool isFullExecCopy(const MachineInstr& MI) {
-  return MI.isFullCopy() && MI.getOperand(1).getReg() == AMDGPU::EXEC;
+  return MI.getOperand(1).getReg() == AMDGPU::EXEC;
 }
 
 static unsigned getOrNonExecReg(const MachineInstr &MI,