[llvm] 1dbef64 - Fix "Value stored to 'RegForm' is never read" static analyzer warnings. NFC.

[Simon Pilgrim via llvm-commits]

Author: Simon Pilgrim
Date: 2020-03-05T14:22:24Z
New Revision: 1dbef64ef3259491a611cb0b02a8a8fcc57d070a

URL: https://github.com/llvm/llvm-project/commit/1dbef64ef3259491a611cb0b02a8a8fcc57d070a
DIFF: https://github.com/llvm/llvm-project/commit/1dbef64ef3259491a611cb0b02a8a8fcc57d070a.diff

LOG: Fix "Value stored to 'RegForm' is never read" static analyzer warnings. NFC.

Added: 
    

Modified: 
    llvm/lib/Target/X86/MCTargetDesc/X86InstComments.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/X86/MCTargetDesc/X86InstComments.cpp b/llvm/lib/Target/X86/MCTargetDesc/X86InstComments.cpp
index 8999da34d71e..e14b20a653ed 100644
--- a/llvm/lib/Target/X86/MCTargetDesc/X86InstComments.cpp
+++ b/llvm/lib/Target/X86/MCTargetDesc/X86InstComments.cpp
@@ -308,7 +308,6 @@ static bool printFMAComments(const MCInst *MI, raw_ostream &OS) {
 
   CASE_FMA4_PACKED_RR(FMADD)
   CASE_FMA4_SCALAR_RR(FMADD)
-    RegForm = true;
     AccName = getRegName(MI->getOperand(NumOperands - 1).getReg());
     LLVM_FALLTHROUGH;
   CASE_FMA4_PACKED_RM(FMADD)
@@ -324,7 +323,6 @@ static bool printFMAComments(const MCInst *MI, raw_ostream &OS) {
 
   CASE_FMA4_PACKED_RR(FMSUB)
   CASE_FMA4_SCALAR_RR(FMSUB)
-    RegForm = true;
     AccName = getRegName(MI->getOperand(NumOperands - 1).getReg());
     LLVM_FALLTHROUGH;
   CASE_FMA4_PACKED_RM(FMSUB)
@@ -342,7 +340,6 @@ static bool printFMAComments(const MCInst *MI, raw_ostream &OS) {
 
   CASE_FMA4_PACKED_RR(FNMADD)
   CASE_FMA4_SCALAR_RR(FNMADD)
-    RegForm = true;
     AccName = getRegName(MI->getOperand(NumOperands - 1).getReg());
     LLVM_FALLTHROUGH;
   CASE_FMA4_PACKED_RM(FNMADD)
@@ -360,7 +357,6 @@ static bool printFMAComments(const MCInst *MI, raw_ostream &OS) {
 
   CASE_FMA4_PACKED_RR(FNMSUB)
   CASE_FMA4_SCALAR_RR(FNMSUB)
-    RegForm = true;
     AccName = getRegName(MI->getOperand(NumOperands - 1).getReg());
     LLVM_FALLTHROUGH;
   CASE_FMA4_PACKED_RM(FNMSUB)
@@ -379,7 +375,6 @@ static bool printFMAComments(const MCInst *MI, raw_ostream &OS) {
     break;
 
   CASE_FMA4_PACKED_RR(FMADDSUB)
-    RegForm = true;
     AccName = getRegName(MI->getOperand(NumOperands - 1).getReg());
     LLVM_FALLTHROUGH;
   CASE_FMA4_PACKED_RM(FMADDSUB)
@@ -394,7 +389,6 @@ static bool printFMAComments(const MCInst *MI, raw_ostream &OS) {
     break;
 
   CASE_FMA4_PACKED_RR(FMSUBADD)
-    RegForm = true;
     AccName = getRegName(MI->getOperand(NumOperands - 1).getReg());
     LLVM_FALLTHROUGH;
   CASE_FMA4_PACKED_RM(FMSUBADD)