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[AArch64] Remove some redundant cases. NFC.

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llvm-svn: 248800
This commit is contained in:
Chad Rosier 2015-09-29 14:57:10 +00:00
parent 820801b9dd
commit bfe8b9b615
1 changed files with 15 additions and 23 deletions
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38
lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp
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@ -164,44 +164,36 @@ static bool isUnscaledLdSt(MachineInstr *MI) {
return isUnscaledLdSt(MI->getOpcode());
}
// Size in bytes of the data moved by an unscaled load or store
// Size in bytes of the data moved by an unscaled load or store.
static int getMemSize(MachineInstr *MI) {
switch (MI->getOpcode()) {
default:
llvm_unreachable("Opcode has unknown size!");
case AArch64::LDRSui:
case AArch64::LDURSi:
case AArch64::LDRSWui:
case AArch64::LDURSWi:
case AArch64::LDRWui:
case AArch64::LDURWi:
case AArch64::STRSui:
case AArch64::STURSi:
return 4;
case AArch64::STRDui:
case AArch64::STURDi:
return 8;
case AArch64::STRQui:
case AArch64::STURQi:
return 16;
case AArch64::STRWui:
case AArch64::STURWi:
return 4;
case AArch64::LDRDui:
case AArch64::LDURDi:
case AArch64::LDRXui:
case AArch64::LDURXi:
case AArch64::STRDui:
case AArch64::STURDi:
case AArch64::STRXui:
case AArch64::STURXi:
return 8;
case AArch64::LDRSui:
case AArch64::LDURSi:
return 4;
case AArch64::LDRDui:
case AArch64::LDURDi:
return 8;
case AArch64::LDRQui:
case AArch64::LDURQi:
case AArch64::STRQui:
case AArch64::STURQi:
return 16;
case AArch64::LDRWui:
case AArch64::LDURWi:
return 4;
case AArch64::LDRXui:
case AArch64::LDURXi:
return 8;
case AArch64::LDRSWui:
case AArch64::LDURSWi:
return 4;
}
}