[llvm] [X86][CodeGen] Fix crash when commute operands of Instruction for code size (PR #79245)

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git-clang-format --diff 71d64ed80f8b7556be6954b2c4d663c7d89f476d aa659f1e14d015d52c4ce38c95fd05c05f7449a9 -- llvm/lib/Target/X86/X86InstrInfo.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Target/X86/X86InstrInfo.cpp b/llvm/lib/Target/X86/X86InstrInfo.cpp
index 26a8d0ba0c..2bfb180498 100644
--- a/llvm/lib/Target/X86/X86InstrInfo.cpp
+++ b/llvm/lib/Target/X86/X86InstrInfo.cpp
@@ -2326,7 +2326,8 @@ MachineInstr *X86InstrInfo::commuteInstructionImpl(MachineInstr &MI, bool NewMI,
   case X86::VBLENDPSrri:
     // If we're optimizing for size, try to use MOVSD/MOVSS.
     if (MI.getParent()->getParent()->getFunction().hasOptSize()) {
-      unsigned Mask = (Opc == X86::BLENDPDrri || Opc == X86::VBLENDPDrri) ? 0x03: 0x0F;
+      unsigned Mask =
+          (Opc == X86::BLENDPDrri || Opc == X86::VBLENDPDrri) ? 0x03 : 0x0F;
       if ((MI.getOperand(3).getImm() ^ Mask) == 1) {
 #define FROM_TO(A, B)                                                          \
   case X86::A:                                                                 \
@@ -2335,10 +2336,10 @@ MachineInstr *X86InstrInfo::commuteInstructionImpl(MachineInstr &MI, bool NewMI,
         switch (Opc) {
         default:
           llvm_unreachable("Unreachable!");
-        FROM_TO(BLENDPDrri, MOVSDrr)
-        FROM_TO(BLENDPSrri, MOVSSrr)
-        FROM_TO(VBLENDPDrri, VMOVSDrr)
-        FROM_TO(VBLENDPSrri, VMOVSSrr)
+          FROM_TO(BLENDPDrri, MOVSDrr)
+          FROM_TO(BLENDPSrri, MOVSSrr)
+          FROM_TO(VBLENDPDrri, VMOVSDrr)
+          FROM_TO(VBLENDPSrri, VMOVSSrr)
         }
         WorkingMI = CloneIfNew(MI);
         WorkingMI->setDesc(get(Opc));

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https://github.com/llvm/llvm-project/pull/79245