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* Move C++ code out of the C headers and into either C++ headersEric Christopher2013-04-2227-228/+253
| | | | | | | or the C++ files themselves. This enables people to use just a C compiler to interoperate with LLVM. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180063 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Removed this unnecessary check. In the current implementation,Chad Rosier2013-04-221-1/+1
| | | | | | | Disp will always be one of MCSymbolRefExpr or MCConstantExpr, and never NULL. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180059 91177308-0d34-0410-b5e6-96231b3b80d8
* Add test case for PR15779, which has previously been fixed.Chad Rosier2013-04-221-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180058 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Get the OpDecl and remove a redundant lookup.Chad Rosier2013-04-221-2/+1
| | | | | | Part of rdar://13663589 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180057 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Add the OpDecl to the InlineAsmIdentifierInfo struct and in turnChad Rosier2013-04-223-13/+21
| | | | | | | the MCParsedAsmOperand. Part of rdar://13663589 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180054 91177308-0d34-0410-b5e6-96231b3b80d8
* Optimize MachineBasicBlock::getSymbol by caching the symbol. Since the symbolEli Bendersky2013-04-222-8/+15
| | | | | | | | | name computation is expensive, this helps save about 25% of the time spent in this function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180049 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a missing reference on a std::vector<> out paramReid Kleckner2013-04-221-1/+1
| | | | | | | Pointed out by Eli. The test passes for me either way, so I missed this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180046 91177308-0d34-0410-b5e6-96231b3b80d8
* Changed back (relative to commit 179786) the operations executed when ↵Anat Shemer2013-04-222-3/+21
| | | | | | extract(cast) is transformed to cast(extract). It uses the Builder class as before. In addition the result node is added to the Worklist, so all the previous extract users will become the new scalar cast users. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180045 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix unused variable warning.Chad Rosier2013-04-221-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180044 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix comment that didn't match the method it was aboveEli Bendersky2013-04-221-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180043 91177308-0d34-0410-b5e6-96231b3b80d8
* [Support] Propagate the environment into the test child processReid Kleckner2013-04-221-2/+17
| | | | | | | Should fix the dragonegg bootstrap builder, which reasonably needs LD_LIBRARY_PATH to be set. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180041 91177308-0d34-0410-b5e6-96231b3b80d8
* 80 columns.Akira Hatanaka2013-04-223-6/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180040 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] In performDSPShiftCombine, check that all elements in the vector areAkira Hatanaka2013-04-223-10/+68
| | | | | | | | | shifted by the same amount and the shift amount is smaller than the element size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180039 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Remove the identifier parsing logic from the AsmParser. This isChad Rosier2013-04-222-61/+57
| | | | | | | | now taken care of by the frontend, which allows us to parse arbitrary C/C++ variables. Part of rdar://13663589 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180037 91177308-0d34-0410-b5e6-96231b3b80d8
* [Support] Fix argv string escape bug on WindowsReid Kleckner2013-04-223-4/+106
| | | | | | | | | | | | | | | | Summary: This is http://llvm.org/PR15802. Backslashes preceding double quotes in arguments must be escaped. The interesting bit is that all other backslashes should *not* be escaped, because the un-escaping logic is only triggered by the presence of a double quote character. Reviewers: Bigcheese CC: llvm-commits Differential Revision: http://llvm-reviews.chandlerc.com/D705 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180035 91177308-0d34-0410-b5e6-96231b3b80d8
* COFF: Fix weak external aliases.Peter Collingbourne2013-04-222-28/+47
| | | | | | Differential Revision: http://llvm-reviews.chandlerc.com/D700 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180034 91177308-0d34-0410-b5e6-96231b3b80d8
* Extra paranoid test for r179925 (verify that tail calls are not generated to ↵Stephen Lin2013-04-221-0/+14
| | | | | | 'this'-returning constructors of objects with different 'this' pointers than the caller) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180032 91177308-0d34-0410-b5e6-96231b3b80d8
* Document the -filetype option of llc (PR #12902)Eli Bendersky2013-04-221-0/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180031 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix for PR 14965: Better error message for GEP with partially defined contentsEli Bendersky2013-04-221-2/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180030 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Refactor/clean up the SemaLookup interface. No functionalChad Rosier2013-04-223-42/+39
| | | | | | | change indended. Part of rdar://13663589 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180028 91177308-0d34-0410-b5e6-96231b3b80d8
* Add AArch64 into $llvm_cv_target_arch in configure, reviewed by Tim ↵Jia Liu2013-04-222-1/+3
| | | | | | Northover & Eric Christopher git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180025 91177308-0d34-0410-b5e6-96231b3b80d8
* typoJia Liu2013-04-221-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180023 91177308-0d34-0410-b5e6-96231b3b80d8
* Make doxygen comment match declaration.Benjamin Kramer2013-04-221-1/+1
| | | | | | Found by -Wdocumentation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180021 91177308-0d34-0410-b5e6-96231b3b80d8
* Also verify llvm.compiler_used.Rafael Espindola2013-04-222-1/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180020 91177308-0d34-0410-b5e6-96231b3b80d8
* Clarify that llvm.used can contain aliases.Rafael Espindola2013-04-2214-28/+75
| | | | | | | Also add a check for llvm.used in the verifier and simplify clients now that they can assume they have a ConstantArray. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180019 91177308-0d34-0410-b5e6-96231b3b80d8
* No really, don't store anything to this since it's unconditionallyEric Christopher2013-04-221-1/+1
| | | | | | set below. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180015 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove variable store that is never read.Eric Christopher2013-04-221-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180014 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove variable store that is never read.Eric Christopher2013-04-221-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180013 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix for 5.5 Parameter Passing --> Stage C:Stepan Dyatkovskiy2013-04-226-2/+192
| | | | | | | | | | | | | | | | | -- C.4 and C.5 statements, when NSAA is not equal to SP. -- C.1.cp statement for VA functions. Note: There are no VFP CPRCs in a variadic procedure. Before this patch "NSAA != 0" means "don't use GPRs anymore ". But there are some exceptions in AAPCS. 1. For non VA function: allocate all VFP regs for CPRC. When all VFPs are allocated CPRCs would be sent to stack, while non CPRCs may be still allocated in GRPs. 2. Check that for VA functions all params uses GPRs and then stack. No exceptions, no CPRCs here. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180011 91177308-0d34-0410-b5e6-96231b3b80d8
* Add .ll as a valid test suffix for Object, this allows .ll -> objectEric Christopher2013-04-221-1/+1
| | | | | | and then dumping as tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180010 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the same todo about a command iterator interface into theEric Christopher2013-04-221-0/+3
| | | | | | | | other mach-o object file as well. TODO: One interface to rule them all. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180009 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a TODO about wanting an iterator interface.Eric Christopher2013-04-221-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180008 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-readobj: Dump more COFF auxiliary recordsNico Rieck2013-04-221-1/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180007 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-readobj: Check for null section pointerNico Rieck2013-04-221-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180006 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-readobj: Do not print NULL StringRefsNico Rieck2013-04-223-11/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180005 91177308-0d34-0410-b5e6-96231b3b80d8
* Cleanup: test source files do not need to be executableArnaud A. de Grandmaison2013-04-2212-0/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180003 91177308-0d34-0410-b5e6-96231b3b80d8
* Tidy.Eric Christopher2013-04-221-4/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180000 91177308-0d34-0410-b5e6-96231b3b80d8
* Update comment. Whitespace.Eric Christopher2013-04-221-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179999 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Revert "PR14606: debug info imported_module support""David Blaikie2013-04-2291-105/+225
| | | | | | | | | | This reverts commit r179840 with a fix to test/DebugInfo/two-cus-from-same-file.ll I'm not sure why that test only failed on ARM & MIPS and not X86 Linux, even though the debug info was clearly invalid on all of them, but this ought to fix it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179996 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert windows line endings to linux/unix line endings.Craig Topper2013-04-221-13/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179995 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix indentation. No functional change.Craig Topper2013-04-221-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179994 91177308-0d34-0410-b5e6-96231b3b80d8
* Put 'else' on same line as preceding curly brace per coding standards. No ↵Craig Topper2013-04-221-12/+6
| | | | | | functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179993 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove an unreachable 'break' following a 'return'.Craig Topper2013-04-221-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179991 91177308-0d34-0410-b5e6-96231b3b80d8
* Legalize vector truncates by parts rather than just splitting.Jim Grosbach2013-04-215-38/+81
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rather than just splitting the input type and hoping for the best, apply a bit more cleverness. Just splitting the types until the source is legal often leads to an illegal result time, which is then widened and a scalarization step is introduced which leads to truly horrible code generation. With the loop vectorizer, these sorts of operations are much more common, and so it's worth extra effort to do them well. Add a legalization hook for the operands of a TRUNCATE node, which will be encountered after the result type has been legalized, but if the operand type is still illegal. If simple splitting of both types ends up with the result type of each half still being legal, just do that (v16i16 -> v16i8 on ARM, for example). If, however, that would result in an illegal result type (v8i32 -> v8i8 on ARM, for example), we can get more clever with power-two vectors. Specifically, split the input type, but also widen the result element size, then concatenate the halves and truncate again. For example on ARM, To perform a "%res = v8i8 trunc v8i32 %in" we transform to: %inlo = v4i32 extract_subvector %in, 0 %inhi = v4i32 extract_subvector %in, 4 %lo16 = v4i16 trunc v4i32 %inlo %hi16 = v4i16 trunc v4i32 %inhi %in16 = v8i16 concat_vectors v4i16 %lo16, v4i16 %hi16 %res = v8i8 trunc v8i16 %in16 This allows instruction selection to generate three VMOVN instructions instead of a sequences of moves, stores and loads. Update the ARMTargetTransformInfo to take this improved legalization into account. Consider the simplified IR: define <16 x i8> @test1(<16 x i32>* %ap) { %a = load <16 x i32>* %ap %tmp = trunc <16 x i32> %a to <16 x i8> ret <16 x i8> %tmp } define <8 x i8> @test2(<8 x i32>* %ap) { %a = load <8 x i32>* %ap %tmp = trunc <8 x i32> %a to <8 x i8> ret <8 x i8> %tmp } Previously, we would generate the truly hideous: .syntax unified .section __TEXT,__text,regular,pure_instructions .globl _test1 .align 2 _test1: @ @test1 @ BB#0: push {r7} mov r7, sp sub sp, sp, #20 bic sp, sp, #7 add r1, r0, #48 add r2, r0, #32 vld1.64 {d24, d25}, [r0:128] vld1.64 {d16, d17}, [r1:128] vld1.64 {d18, d19}, [r2:128] add r1, r0, #16 vmovn.i32 d22, q8 vld1.64 {d16, d17}, [r1:128] vmovn.i32 d20, q9 vmovn.i32 d18, q12 vmov.u16 r0, d22[3] strb r0, [sp, #15] vmov.u16 r0, d22[2] strb r0, [sp, #14] vmov.u16 r0, d22[1] strb r0, [sp, #13] vmov.u16 r0, d22[0] vmovn.i32 d16, q8 strb r0, [sp, #12] vmov.u16 r0, d20[3] strb r0, [sp, #11] vmov.u16 r0, d20[2] strb r0, [sp, #10] vmov.u16 r0, d20[1] strb r0, [sp, #9] vmov.u16 r0, d20[0] strb r0, [sp, #8] vmov.u16 r0, d18[3] strb r0, [sp, #3] vmov.u16 r0, d18[2] strb r0, [sp, #2] vmov.u16 r0, d18[1] strb r0, [sp, #1] vmov.u16 r0, d18[0] strb r0, [sp] vmov.u16 r0, d16[3] strb r0, [sp, #7] vmov.u16 r0, d16[2] strb r0, [sp, #6] vmov.u16 r0, d16[1] strb r0, [sp, #5] vmov.u16 r0, d16[0] strb r0, [sp, #4] vldmia sp, {d16, d17} vmov r0, r1, d16 vmov r2, r3, d17 mov sp, r7 pop {r7} bx lr .globl _test2 .align 2 _test2: @ @test2 @ BB#0: push {r7} mov r7, sp sub sp, sp, #12 bic sp, sp, #7 vld1.64 {d16, d17}, [r0:128] add r0, r0, #16 vld1.64 {d20, d21}, [r0:128] vmovn.i32 d18, q8 vmov.u16 r0, d18[3] vmovn.i32 d16, q10 strb r0, [sp, #3] vmov.u16 r0, d18[2] strb r0, [sp, #2] vmov.u16 r0, d18[1] strb r0, [sp, #1] vmov.u16 r0, d18[0] strb r0, [sp] vmov.u16 r0, d16[3] strb r0, [sp, #7] vmov.u16 r0, d16[2] strb r0, [sp, #6] vmov.u16 r0, d16[1] strb r0, [sp, #5] vmov.u16 r0, d16[0] strb r0, [sp, #4] ldm sp, {r0, r1} mov sp, r7 pop {r7} bx lr Now, however, we generate the much more straightforward: .syntax unified .section __TEXT,__text,regular,pure_instructions .globl _test1 .align 2 _test1: @ @test1 @ BB#0: add r1, r0, #48 add r2, r0, #32 vld1.64 {d20, d21}, [r0:128] vld1.64 {d16, d17}, [r1:128] add r1, r0, #16 vld1.64 {d18, d19}, [r2:128] vld1.64 {d22, d23}, [r1:128] vmovn.i32 d17, q8 vmovn.i32 d16, q9 vmovn.i32 d18, q10 vmovn.i32 d19, q11 vmovn.i16 d17, q8 vmovn.i16 d16, q9 vmov r0, r1, d16 vmov r2, r3, d17 bx lr .globl _test2 .align 2 _test2: @ @test2 @ BB#0: vld1.64 {d16, d17}, [r0:128] add r0, r0, #16 vld1.64 {d18, d19}, [r0:128] vmovn.i32 d16, q8 vmovn.i32 d17, q9 vmovn.i16 d16, q8 vmov r0, r1, d16 bx lr git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179989 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: Split out cost model vcvt testcases.Jim Grosbach2013-04-212-172/+171
| | | | | | They had a separate RUN line already, so may as well be in a separate file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179988 91177308-0d34-0410-b5e6-96231b3b80d8
* Passing arguments to varags functions under the SPARC v9 ABI.Jakob Stoklund Olesen2013-04-212-0/+60
| | | | | | | Arguments after the fixed arguments never use the floating point registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179987 91177308-0d34-0410-b5e6-96231b3b80d8
* Tidy up comment grammar.Jim Grosbach2013-04-211-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179986 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the SETHIimm pattern for 64-bit code.Jakob Stoklund Olesen2013-04-212-2/+7
| | | | | | Don't ignore the high 32 bits of the immediate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179985 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused, undefined ArgFlagsTy::getArgFlagsString; add a comment about ↵Stephen Lin2013-04-211-5/+2
| | | | | | 'returned' git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179983 91177308-0d34-0410-b5e6-96231b3b80d8
* SROA: Don't crash on a select with two identical operands.Benjamin Kramer2013-04-212-8/+19
| | | | | | | This is an edge case that can happen if we modify a chain of multiple selects. Update all operands in that case and remove the assert. PR15805. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179982 91177308-0d34-0410-b5e6-96231b3b80d8
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