[llvm] r360268 - [AArch64] Remove scan-build "Value stored during its initialization is never read" warnings. NFCI.

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Wed May  8 09:29:39 2019
New Revision: 360268

URL: http://llvm.org/viewvc/llvm-project?rev=360268&view=rev
Log:
[AArch64] Remove scan-build "Value stored during its initialization is never read" warnings. NFCI.

Modified:
    llvm/trunk/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp

Modified: llvm/trunk/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp?rev=360268&r1=360267&r2=360268&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp (original)
+++ llvm/trunk/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp Wed May  8 09:29:39 2019
@@ -933,8 +933,6 @@ AArch64LoadStoreOpt::promoteLoadFromStor
                                ? getLdStOffsetOp(*StoreI).getImm()
                                : getLdStOffsetOp(*StoreI).getImm() * StoreSize;
     int Width = LoadSize * 8;
-    int Immr = 8 * (UnscaledLdOffset - UnscaledStOffset);
-    int Imms = Immr + Width - 1;
     unsigned DestReg = IsStoreXReg
                            ? TRI->getMatchingSuperReg(LdRt, AArch64::sub_32,
                                                       &AArch64::GPR64RegClass)
@@ -944,8 +942,8 @@ AArch64LoadStoreOpt::promoteLoadFromStor
             (UnscaledLdOffset + LoadSize) <= UnscaledStOffset + StoreSize) &&
            "Invalid offset");
 
-    Immr = 8 * (UnscaledLdOffset - UnscaledStOffset);
-    Imms = Immr + Width - 1;
+    int Immr = 8 * (UnscaledLdOffset - UnscaledStOffset);
+    int Imms = Immr + Width - 1;
     if (UnscaledLdOffset == UnscaledStOffset) {
       uint32_t AndMaskEncoded = ((IsStoreXReg ? 1 : 0) << 12) // N
                                 | ((Immr) << 6)               // immr