Chris Lattner 5a6bace3ab If a target zero or sign extends the result of its setcc, allow folding of ... 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		2005-04-07 19:43:53 +00:00
..
SelectionDAG	If a target zero or sign extends the result of its setcc, allow folding of	2005-04-07 19:43:53 +00:00
AsmPrinter.cpp	add support for prefix/suffix strings to go around GlobalValue(s)	2005-04-02 12:21:51 +00:00
BranchFolding.cpp	Changes For Bug 352	2004-09-01 22:55:40 +00:00
IntrinsicLowering.cpp	First step in adding pcmarker intrinsic. Second step (soon) is adding backend support.	2005-03-28 20:05:49 +00:00
LiveInterval.cpp	Prevent accessing past the end of the intervals vector, this fixes	2004-12-04 01:22:09 +00:00
LiveInterval.h	Fix typeo	2004-11-18 04:31:10 +00:00
LiveIntervalAnalysis.cpp	I didn't mean to check this in. :(	2005-03-10 20:59:51 +00:00
LiveIntervalAnalysis.h	Allow the live interval analysis pass to be a bit more aggressive about	2005-03-09 23:05:19 +00:00
LiveVariables.cpp	Just in case, handle something that is both a use and a def.	2005-01-19 17:11:51 +00:00
MachineBasicBlock.cpp	print the machine CFG in the -print-machineinstrs dump	2005-04-01 06:48:38 +00:00
MachineCodeEmitter.cpp	Fix the FIXME, nuke the JIT specific forceCompilationOf method.	2004-11-22 21:54:35 +00:00
MachineFunction.cpp	Improve conformance with the Misha spelling benchmark suite	2005-01-30 00:09:23 +00:00
MachineInstr.cpp	Allow machine operands to represent global variables with offsets. This is	2004-10-15 04:38:41 +00:00
Makefile	Change Library Names Not To Conflict With Others When Installed	2004-10-27 23:18:45 +00:00
Passes.cpp	Changes For Bug 352	2004-09-01 22:55:40 +00:00
PHIElimination.cpp	Changes For Bug 352	2004-09-01 22:55:40 +00:00
PhysRegTracker.h	Improved PhysRegTracker interface. RegAlloc lazily allocates the register tracker using a std::auto_ptr	2004-02-23 06:10:13 +00:00
PrologEpilogInserter.cpp	Simplify/speedup the PEI by not having to scan for uses of the callee saved	2005-01-23 23:13:12 +00:00
RegAllocIterativeScan.cpp	Update these register allocators to set the PhysRegUsed info in MachineFunction.	2005-01-23 22:45:13 +00:00
RegAllocLinearScan.cpp	Update these register allocators to set the PhysRegUsed info in MachineFunction.	2005-01-23 22:45:13 +00:00
RegAllocLocal.cpp	Update this pass to set PhysRegsUsed info in MachineFunction.	2005-01-23 22:51:56 +00:00
RegAllocSimple.cpp	Update physregsused info.	2005-01-23 22:55:45 +00:00
TwoAddressInstructionPass.cpp	Use the TargetInstrInfo::commuteInstruction method to commute instructions	2005-01-19 07:08:42 +00:00
UnreachableBlockElim.cpp	Fix the missing symbols problem Bill was hitting. Patch contributed by	2005-03-17 15:38:16 +00:00
VirtRegMap.cpp	Make sure to notice that explicit physregs are used in the function	2005-04-04 21:35:34 +00:00
VirtRegMap.h	When a virtual register is folded into an instruction, keep track of whether	2004-10-01 23:15:36 +00:00