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b14ab8a10d
when the types match up. This allows the X86 backend to compile:
sbyte %toggle_value(sbyte* %tmp.1) {
%tmp.2 = load sbyte* %tmp.1
ret sbyte %tmp.2
}
to this:
_toggle_value:
mov %EAX, DWORD PTR [%ESP + 4]
movsx %EAX, BYTE PTR [%EAX]
ret
instead of this:
_toggle_value:
mov %EAX, DWORD PTR [%ESP + 4]
movsx %EAX, BYTE PTR [%EAX]
movsx %EAX, %AL
ret
noticed in Shootout/objinst.
-Chris
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24630 91177308-0d34-0410-b5e6-96231b3b80d8
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|---|---|---|
| .. | ||
| SelectionDAG | ||
| AsmPrinter.cpp | ||
| BranchFolding.cpp | ||
| ELFWriter.cpp | ||
| IntrinsicLowering.cpp | ||
| LiveInterval.cpp | ||
| LiveIntervalAnalysis.cpp | ||
| LiveVariables.cpp | ||
| MachineBasicBlock.cpp | ||
| MachineCodeEmitter.cpp | ||
| MachineFunction.cpp | ||
| MachineInstr.cpp | ||
| Makefile | ||
| Passes.cpp | ||
| PHIElimination.cpp | ||
| PhysRegTracker.h | ||
| PrologEpilogInserter.cpp | ||
| RegAllocLinearScan.cpp | ||
| RegAllocLocal.cpp | ||
| RegAllocSimple.cpp | ||
| TwoAddressInstructionPass.cpp | ||
| UnreachableBlockElim.cpp | ||
| VirtRegMap.cpp | ||
| VirtRegMap.h | ||