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* Update tests.Devang Patel2008-09-272-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56730 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement function notes as function attributes. Devang Patel2008-09-263-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56716 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement "punpckldq %xmm0, $xmm0" as "pshufd $0x50, %xmm0, %xmm" unless ↵Evan Cheng2008-09-262-4/+23
| | | | | | optimizing for code size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56711 91177308-0d34-0410-b5e6-96231b3b80d8
* Temporarily reverting r56683. This is causing a failure during the build of ↵Bill Wendling2008-09-263-2/+5
| | | | | | | | | | | | | | | | | | llvm-gcc: /Volumes/Gir/devel/llvm/clean/llvm-gcc.obj/./gcc/xgcc -B/Volumes/Gir/devel/llvm/clean/llvm-gcc.obj/./gcc/ -B/Volumes/Gir/devel/llvm/clean/llvm-gcc.install/i386-apple-darwin9.5.0/bin/ -B/Volumes/Gir/devel/llvm/clean/llvm-gcc.install/i386-apple-darwin9.5.0/lib/ -isystem /Volumes/Gir/devel/llvm/clean/llvm-gcc.install/i386-apple-darwin9.5.0/include -isystem /Volumes/Gir/devel/llvm/clean/llvm-gcc.install/i386-apple-darwin9.5.0/sys-include -mmacosx-version-min=10.4 -O2 -O2 -g -O2 -DIN_GCC -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem ./include -fPIC -pipe -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -I. -I. -I../../llvm-gcc.src/gcc -I../../llvm-gcc.src/gcc/. -I../../llvm-gcc.src/gcc/../include -I./../intl -I../../llvm-gcc.src/gcc/../libcpp/include -I../../llvm-gcc.src/gcc/../libdecnumber -I../libdecnumber -I/Volumes/Gir/devel/llvm/clean/llvm.obj/include -I/Volumes/Gir/devel/llvm/clean/llvm.src/include -fexceptions -fvisibility=hidden -DHIDE_EXPORTS -c ../../llvm-gcc.src/gcc/unwind-dw2-fde-darwin.c -o libgcc/./unwind-dw2-fde-darwin.o Assertion failed: (TargetRegisterInfo::isVirtualRegister(regA) && TargetRegisterInfo::isVirtualRegister(regB) && "cannot update physical register live information"), function runOnMachineFunction, file /Volumes/Gir/devel/llvm/clean/llvm.src/lib/CodeGen/TwoAddressInstructionPass.cpp, line 311. ../../llvm-gcc.src/gcc/unwind-dw2.c:1527: internal compiler error: Abort trap Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://developer.apple.com/bugreporter> for instructions. {standard input}:3521:non-relocatable subtraction expression, "_dwarf_reg_size_table" minus "L20$pb" {standard input}:3521:symbol: "_dwarf_reg_size_table" can't be undefined in a subtraction expression {standard input}:3520:non-relocatable subtraction expression, "_dwarf_reg_size_table" minus "L20$pb" ... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56703 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix @llvm.frameaddress codegen. FP elimination optimization should be ↵Evan Cheng2008-09-263-3/+20
| | | | | | disabled when frame address is desired. Also add support for depth > 0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56683 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid spilling EBP / RBP twice in the prologue.Evan Cheng2008-09-262-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56675 91177308-0d34-0410-b5e6-96231b3b80d8
* Prefer movlhps over punpcklqdq, etc. in more cases.Evan Cheng2008-09-251-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56627 91177308-0d34-0410-b5e6-96231b3b80d8
* With sse3 and when the source is a load or has multiple uses, favors movddup ↵Evan Cheng2008-09-251-0/+16
| | | | | | over shuffp*, pshufd, etc. Without sse3 or when the source is from a register, make use of movlhps git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56620 91177308-0d34-0410-b5e6-96231b3b80d8
* Accept 'inreg' attribute on x86 functions asDale Johannesen2008-09-251-0/+19
| | | | | | | | | | meaning sse_regparm (i.e. float/double values go in XMM0 instead of ST0). Update documentation to reflect reality. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56619 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix patterns for SSE4.1 move and sign extend instructions. Also add ↵Evan Cheng2008-09-241-0/+47
| | | | | | instructions which fold VZEXT_MOVL and VZEXT_LOAD. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56594 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove SelectionDag early allocation of registersDale Johannesen2008-09-243-2/+35
| | | | | | | | | for earlyclobbers. Teach Local RA about earlyclobber, and add some tests for it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56592 91177308-0d34-0410-b5e6-96231b3b80d8
* Test fp not.Evan Cheng2008-09-241-1/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56534 91177308-0d34-0410-b5e6-96231b3b80d8
* Properly handle 'm' inline asm constraints. If a GV is being selected for ↵Evan Cheng2008-09-241-0/+10
| | | | | | the addressing mode, it requires the same logic for PIC relative addressing, etc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56526 91177308-0d34-0410-b5e6-96231b3b80d8
* Rationalize the names of passes that print information:Duncan Sands2008-09-237-8/+11
| | | | | | | | | | | | | | | | | | -callgraph => print-callgraph -callscc => print-callgraph-sccs -cfgscc => print-cfg-sccs -externalfnconstants => print-externalfnconstants -print => print-function -print-alias-sets (no change) -print-callgraph => dot-callgraph -print-cfg => dot-cfg -print-cfg-only => dot-cfg-only -print-dom-info (no change) -printm => print-module -printusedtypes => print-used-types git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56487 91177308-0d34-0410-b5e6-96231b3b80d8
* Support x86 specific inline asm modifier 'J'.Evan Cheng2008-09-221-4/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56483 91177308-0d34-0410-b5e6-96231b3b80d8
* Test case for fp logical instructions.Evan Cheng2008-09-221-0/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56474 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the calling convention used when tail call optimization is enabled ↵Arnold Schwaighofer2008-09-223-3/+3
| | | | | | from CC_X86_32_TailCall to CC_X86_32_FastCC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56436 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR2808. When regalloc runs out of register, it spill a physical register ↵Evan Cheng2008-09-201-0/+22
| | | | | | around the live interval being allocated. Do not continue to try to spill another register, just grab the physical register and move on. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56381 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up the test.Evan Cheng2008-09-201-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56380 91177308-0d34-0410-b5e6-96231b3b80d8
* No need to print function stubs for Mac OS X 10.5 and up. Linker will handle it.Evan Cheng2008-09-201-0/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56378 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactor X86SelectConstAddr, folding it into X86SelectAddress. ThisDan Gohman2008-09-191-1/+1
| | | | | | | | results in better code for globals. Also, unbreak the local CSE for GlobalValue stub loads. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56371 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-materalized definition instructions may be dead. Whack them.Evan Cheng2008-09-191-0/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56352 91177308-0d34-0410-b5e6-96231b3b80d8
* Add test for improvement of readonly to readnone,Duncan Sands2008-09-191-3/+12
| | | | | | | and non-demotion of readnone to readonly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56344 91177308-0d34-0410-b5e6-96231b3b80d8
* Turn on these tests!Duncan Sands2008-09-191-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56343 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the MarkModRef pass (use AddReadAttrs instead).Duncan Sands2008-09-191-1104/+0
| | | | | | | | | Unfortunately this means removing one regression test of GlobalsModRef because I couldn't work out how to perform it without MarkModRef. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56342 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new pass AddReadAttrs which works out which functionsDuncan Sands2008-09-194-4/+4
| | | | | | | | | | can get the readnone/readonly attributes, and gives them it. The plan is to remove markmodref (which did the same thing by querying GlobalsModRef) and delete the analogous functionality from GlobalsModRef. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56341 91177308-0d34-0410-b5e6-96231b3b80d8
* Test the callgraph directly for the missing edge.Duncan Sands2008-09-191-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56338 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach -callgraph to always print the callgraph (as theDuncan Sands2008-09-193-3/+3
| | | | | | | | | description says it does), not just when -analyze is used as well. This means printing to stderr, so adjust some tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56337 91177308-0d34-0410-b5e6-96231b3b80d8
* splitLoop does not handle split condition EQ.Devang Patel2008-09-181-0/+38
| | | | | | | Fixes PR 2805 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56321 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a bit to mark operands of asm's that conflictDale Johannesen2008-09-171-0/+24
| | | | | | | | | | | with an earlyclobber operand elsewhere. Propagate this bit and the earlyclobber bit through SDISel. Change linear-scan RA not to allocate regs in a way that conflicts with an earlyclobber. See also comments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56290 91177308-0d34-0410-b5e6-96231b3b80d8
* Unallocatable registers do not have live intervals.Evan Cheng2008-09-171-0/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56287 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not hoist instruction above branch condition. The instruction may use ↵Devang Patel2008-09-171-0/+18
| | | | | | branch condition. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56286 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not ignore iv uses outside the loop.Devang Patel2008-09-173-4/+80
| | | | | | | This one slipped through cracks very well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56284 91177308-0d34-0410-b5e6-96231b3b80d8
* Add trampoline support to PPC. GCC simply calls the "__trampoline_setup"Bill Wendling2008-09-171-0/+166
| | | | | | | function with appropriate parameters. This allows us to support blocks on PPC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56267 91177308-0d34-0410-b5e6-96231b3b80d8
* Finally re-apply r46959. This is made feasible by the combinationDan Gohman2008-09-162-3/+4
| | | | | | | of r56230, r56232, and r56246. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56247 91177308-0d34-0410-b5e6-96231b3b80d8
* Improve instcombine's handling of integer min and max in two ways:Dan Gohman2008-09-162-0/+107
| | | | | | | | | | | | | | | | | - Recognize expressions like "x > -1 ? x : 0" as min/max and turn them into expressions like "x < 0 ? 0 : x", which is easily recognizable as a min/max operation. - Refrain from folding expression like "y/2 < 1" to "y < 2" when the comparison is being used as part of a min or max idiom, like "y/2 < 1 ? 1 : y/2". In that case, the division has another use, so folding doesn't eliminate it, and obfuscates the min/max, making it harder to recognize as a min/max operation. These benefit ScalarEvolution, CodeGen, and anything else that wants to recognize integer min and max. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56246 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix test to account for no more whitespace and that one of the matches is theBill Wendling2008-09-161-2/+2
| | | | | | | "declare" statement. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56241 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove space that was forgotten.`Bill Wendling2008-09-161-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56240 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix spacing in the grep line for this test, following the recentDan Gohman2008-09-161-1/+1
| | | | | | | SCEV-whitespace changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56234 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-enables the new vector select in the bitcode reader, by modifying theDan Gohman2008-09-161-1/+0
| | | | | | | | | | | | | | | | | | | | | | | bitcode reader/writer as follows: - add and use new bitcode FUNC_CODE_INST_VSELECT to handle the llvm select opcode using either i1 or [N x i1] as the selector. - retain old BITCODE FUNC_CODE_INST_SELECT in the bitcode reader to handle select on i1 for backwards compatibility with existing bitcode files. - re-enable the vector-select.ll test program. Also, rename the recently added bitcode opcode FUNC_CODE_INST_VCMP to FUNC_CODE_INST_CMP2 and make the bitcode writer use it to handle fcmp/icmp on scalars or vectors. In the bitcode writer, use FUNC_CODE_INST_CMP for vfcmp/vicmp only. In the bitcode reader, have FUNC_CODE_INST_CMP handle icmp/fcmp returning bool, for backwards compatibility with existing bitcode files. Patch by Preston Gurd! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56233 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach ScalarEvolution to consider loop preheaders in the search forDan Gohman2008-09-152-0/+234
| | | | | | | | an if statement that guards a loop, to allow indvars to avoid smax operations in more situations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56232 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach LSR to optimize away SMAX operations for tripcounts in commonDan Gohman2008-09-151-0/+236
| | | | | | | | | | cases. See the comment above OptimizeSMax for the full story, and the testcase for an example. This cancels out a pessimization commonly attributed to indvars, and will allow us to lift some of the artificial throttles in indvars, rather than add new ones. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56230 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-enable SelectionDAG CSE for calls. It matters in the case ofDan Gohman2008-09-151-0/+30
| | | | | | | libcalls, as in this testcase on ARM. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56226 91177308-0d34-0410-b5e6-96231b3b80d8
* Added testcase for bswap allegrexel intrinsicBruno Cardoso Lopes2008-09-151-0/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56225 91177308-0d34-0410-b5e6-96231b3b80d8
* Correctly update kill infos after extending a live range and merge 2 val#'s; ↵Evan Cheng2008-09-151-0/+29
| | | | | | fix 56165 - do not mark val# copy field if the copy does not define the val#. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56199 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix WriteAsOperand to not emit a leading space character. AdjustDan Gohman2008-09-1410-10/+10
| | | | | | | | | | | | | | | | | | | its callers to emit a space character before calling it when a space is needed. This fixes several spurious whitespace issues in ScalarEvolution's debug dumps. See the test changes for examples. This also fixes odd space-after-tab indentation in the output for switch statements, and changes calls from being printed like this: call void @foo( i32 %x ) to this: call void @foo(i32 %x) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56196 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR2792: treat volatile loads as writing memory somewhere.Duncan Sands2008-09-131-0/+9
| | | | | | | Treat stores as reading memory, just to play safe. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56188 91177308-0d34-0410-b5e6-96231b3b80d8
* On some targets, non-move instructions can become move instructions because ↵Evan Cheng2008-09-121-0/+254
| | | | | | | | | | | | | of coalescing. e.g. vr2 = OR vr0, vr1 => vr2 = OR vr1, vr1 // after coalescing vr0 with vr1 Update the value# of the destination register with the copy instruction if that happens. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56165 91177308-0d34-0410-b5e6-96231b3b80d8
* On 64-bit targets, change 32-bit getelementptr indices to be 64-bitDan Gohman2008-09-111-0/+58
| | | | | | | | getelementptr indices, inserting an explicit cast if necessary. This helps expose the sign-extension operation to other optimizations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56133 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a vectorshuffle instcombine bug introduced by r55995.Dan Gohman2008-09-112-0/+39
| | | | | | | Patch by Nicolas Capens! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56129 91177308-0d34-0410-b5e6-96231b3b80d8
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