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this into sign/zero extension instructions later. On PPC, for example, this testcase: %G = external global sbyte implementation void %test(int %X, int %Y) { %C = setlt int %X, %Y %D = cast bool %C to sbyte store sbyte %D, sbyte* %G ret void } Now codegens to: cmpw cr0, r3, r4 li r3, 1 li r4, 0 blt .LBB_test_2 ; .LBB_test_1: ; or r3, r4, r4 .LBB_test_2: ; addis r2, r2, ha16(L_G$non_lazy_ptr-"L00000$pb") lwz r2, lo16(L_G$non_lazy_ptr-"L00000$pb")(r2) stb r3, 0(r2) instead of: cmpw cr0, r3, r4 li r3, 1 li r4, 0 blt .LBB_test_2 ; .LBB_test_1: ; or r3, r4, r4 .LBB_test_2: ; *** rlwinm r3, r3, 0, 31, 31 addis r2, r2, ha16(L_G$non_lazy_ptr-"L00000$pb") lwz r2, lo16(L_G$non_lazy_ptr-"L00000$pb")(r2) stb r3, 0(r2) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21148 91177308-0d34-0410-b5e6-96231b3b80d8 |
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.. | ||
SelectionDAG | ||
AsmPrinter.cpp | ||
BranchFolding.cpp | ||
IntrinsicLowering.cpp | ||
LiveInterval.cpp | ||
LiveInterval.h | ||
LiveIntervalAnalysis.cpp | ||
LiveIntervalAnalysis.h | ||
LiveVariables.cpp | ||
MachineBasicBlock.cpp | ||
MachineCodeEmitter.cpp | ||
MachineFunction.cpp | ||
MachineInstr.cpp | ||
Makefile | ||
Passes.cpp | ||
PHIElimination.cpp | ||
PhysRegTracker.h | ||
PrologEpilogInserter.cpp | ||
RegAllocIterativeScan.cpp | ||
RegAllocLinearScan.cpp | ||
RegAllocLocal.cpp | ||
RegAllocSimple.cpp | ||
TwoAddressInstructionPass.cpp | ||
UnreachableBlockElim.cpp | ||
VirtRegMap.cpp | ||
VirtRegMap.h |