[AMDGPU] SIShrinkInstructions: remove redundant check

canShrink already calls hasVALU32BitEncoding, so there is no need
to call it again here.

diff --git a/llvm/lib/Target/AMDGPU/SIShrinkInstructions.cpp b/llvm/lib/Target/AMDGPU/SIShrinkInstructions.cpp
index 3a372d4..774e2b3 100644 (file)
--- a/llvm/lib/Target/AMDGPU/SIShrinkInstructions.cpp
+++ b/llvm/lib/Target/AMDGPU/SIShrinkInstructions.cpp
@@ -731,11 +731,6 @@ bool SIShrinkInstructions::runOnMachineFunction(MachineFunction &MF) {
           continue;
       }
 
-      // getVOPe32 could be -1 here if we started with an instruction that had
-      // a 32-bit encoding and then commuted it to an instruction that did not.
-      if (!TII->hasVALU32BitEncoding(MI.getOpcode()))
-        continue;
-
       int Op32 = AMDGPU::getVOPe32(MI.getOpcode());
 
       if (TII->isVOPC(Op32)) {