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type (in addition to the memory type).
The *LoadExt* legalization handling used to only have one type, the
memory type. This forced users to assume that as long as the extload
for the memory type was declared legal, and the result type was legal,
the whole extload was legal.
However, this isn't always the case. For instance, on X86, with AVX,
this is legal:
v4i32 load, zext from v4i8
but this isn't:
v4i64 load, zext from v4i8
Whereas v4i64 is (arguably) legal, even without AVX2.
Note that the same thing was done a while ago for truncstores (r46140),
but I assume no one needed it yet for extloads, so here we go.
Calls to getLoadExtAction were changed to add the value type, found
manually in the surrounding code.
Calls to setLoadExtAction were mechanically changed, by wrapping the
call in a loop, to match previous behavior. The loop iterates over
the MVT subrange corresponding to the memory type (FP vectors, etc...).
I also pulled neighboring setTruncStoreActions into some of the loops;
those shouldn't make a difference, as the additional types are illegal.
(e.g., i128->i1 truncstores on PPC.)
No functional change intended.
Differential Revision: http://reviews.llvm.org/D6532
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225421 91177308-0d34-0410-b5e6-96231b3b80d8
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| .. | ||
| AsmParser | ||
| InstPrinter | ||
| MCTargetDesc | ||
| TargetInfo | ||
| AMDGPU.h | ||
| AMDGPU.td | ||
| AMDGPUAlwaysInlinePass.cpp | ||
| AMDGPUAsmPrinter.cpp | ||
| AMDGPUAsmPrinter.h | ||
| AMDGPUCallingConv.td | ||
| AMDGPUFrameLowering.cpp | ||
| AMDGPUFrameLowering.h | ||
| AMDGPUInstrInfo.cpp | ||
| AMDGPUInstrInfo.h | ||
| AMDGPUInstrInfo.td | ||
| AMDGPUInstructions.td | ||
| AMDGPUIntrinsicInfo.cpp | ||
| AMDGPUIntrinsicInfo.h | ||
| AMDGPUIntrinsics.td | ||
| AMDGPUISelDAGToDAG.cpp | ||
| AMDGPUISelLowering.cpp | ||
| AMDGPUISelLowering.h | ||
| AMDGPUMachineFunction.cpp | ||
| AMDGPUMachineFunction.h | ||
| AMDGPUMCInstLower.cpp | ||
| AMDGPUMCInstLower.h | ||
| AMDGPUPromoteAlloca.cpp | ||
| AMDGPURegisterInfo.cpp | ||
| AMDGPURegisterInfo.h | ||
| AMDGPURegisterInfo.td | ||
| AMDGPUSubtarget.cpp | ||
| AMDGPUSubtarget.h | ||
| AMDGPUTargetMachine.cpp | ||
| AMDGPUTargetMachine.h | ||
| AMDGPUTargetTransformInfo.cpp | ||
| AMDILCFGStructurizer.cpp | ||
| AMDKernelCodeT.h | ||
| CaymanInstructions.td | ||
| CIInstructions.td | ||
| CMakeLists.txt | ||
| EvergreenInstructions.td | ||
| LLVMBuild.txt | ||
| Makefile | ||
| Processors.td | ||
| R600ClauseMergePass.cpp | ||
| R600ControlFlowFinalizer.cpp | ||
| R600Defines.h | ||
| R600EmitClauseMarkers.cpp | ||
| R600ExpandSpecialInstrs.cpp | ||
| R600InstrFormats.td | ||
| R600InstrInfo.cpp | ||
| R600InstrInfo.h | ||
| R600Instructions.td | ||
| R600Intrinsics.td | ||
| R600ISelLowering.cpp | ||
| R600ISelLowering.h | ||
| R600MachineFunctionInfo.cpp | ||
| R600MachineFunctionInfo.h | ||
| R600MachineScheduler.cpp | ||
| R600MachineScheduler.h | ||
| R600OptimizeVectorRegisters.cpp | ||
| R600Packetizer.cpp | ||
| R600RegisterInfo.cpp | ||
| R600RegisterInfo.h | ||
| R600RegisterInfo.td | ||
| R600Schedule.td | ||
| R600TextureIntrinsicsReplacer.cpp | ||
| R700Instructions.td | ||
| SIAnnotateControlFlow.cpp | ||
| SIDefines.h | ||
| SIFixSGPRCopies.cpp | ||
| SIFixSGPRLiveRanges.cpp | ||
| SIFoldOperands.cpp | ||
| SIInsertWaits.cpp | ||
| SIInstrFormats.td | ||
| SIInstrInfo.cpp | ||
| SIInstrInfo.h | ||
| SIInstrInfo.td | ||
| SIInstructions.td | ||
| SIIntrinsics.td | ||
| SIISelLowering.cpp | ||
| SIISelLowering.h | ||
| SILoadStoreOptimizer.cpp | ||
| SILowerControlFlow.cpp | ||
| SILowerI1Copies.cpp | ||
| SIMachineFunctionInfo.cpp | ||
| SIMachineFunctionInfo.h | ||
| SIRegisterInfo.cpp | ||
| SIRegisterInfo.h | ||
| SIRegisterInfo.td | ||
| SISchedule.td | ||
| SIShrinkInstructions.cpp | ||
| SITypeRewriter.cpp | ||
| VIInstrFormats.td | ||
| VIInstructions.td | ||