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* Re-commit: Demote EmitRawText call in AsmPrinter::EmitInlineAsm() and remove ↵Daniel Sanders2014-02-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | hasRawTextSupport() call Summary: AsmPrinter::EmitInlineAsm() will no longer use the EmitRawText() call for targets with mature MC support. Such targets will always parse the inline assembly (even when emitting assembly). Targets without mature MC support continue to use EmitRawText() for assembly output. The hasRawTextSupport() check in AsmPrinter::EmitInlineAsm() has been replaced with MCAsmInfo::UseIntegratedAs which when true, causes the integrated assembler to parse inline assembly (even when emitting assembly output). UseIntegratedAs is set to true for targets that consider any failure to parse valid assembly to be a bug. Target specific subclasses generally enable the integrated assembler in their constructor. The default value can be overridden with -no-integrated-as. All tests that rely on inline assembly supporting invalid assembly (for example, those that use mnemonics such as 'foo' or 'hello world') have been updated to disable the integrated assembler. Changes since review (and last commit attempt): - Fixed test failures that were missed due to configuration of local build. (fixes crash.ll and a couple others). - Fixed tests that happened to pass because the local build was on X86 (should fix 2007-12-17-InvokeAsm.ll) - mature-mc-support.ll's should no longer require all targets to be compiled. (should fix ARM and PPC buildbots) - Object output (-filetype=obj and similar) now forces the integrated assembler to be enabled regardless of default setting or -no-integrated-as. (should fix SystemZ buildbots) Reviewers: rafael Reviewed By: rafael CC: llvm-commits Differential Revision: http://llvm-reviews.chandlerc.com/D2686 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201333 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r201237+r201238: Demote EmitRawText call in ↵Daniel Sanders2014-02-12
| | | | | | | | | AsmPrinter::EmitInlineAsm() and remove hasRawTextSupport() call It introduced multiple test failures in the buildbots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201241 91177308-0d34-0410-b5e6-96231b3b80d8
* Demote EmitRawText call in AsmPrinter::EmitInlineAsm() and remove ↵Daniel Sanders2014-02-12
| | | | | | | | | | | | | | | | | | | | | hasRawTextSupport() call Summary: AsmPrinter::EmitInlineAsm() will no longer use the EmitRawText() call for targets with mature MC support. Such targets will always parse the inline assembly (even when emitting assembly). Targets without mature MC support continue to use EmitRawText() for assembly output. The hasRawTextSupport() check in AsmPrinter::EmitInlineAsm() has been replaced with MCAsmInfo::UseIntegratedAs which when true, causes the integrated assembler to parse inline assembly (even when emitting assembly output). UseIntegratedAs is set to true for targets that consider any failure to parse valid assembly to be a bug. Target specific subclasses generally enable the integrated assembler in their constructor. The default value can be overridden with -no-integrated-as. All tests that rely on inline assembly supporting invalid assembly (for example, those that use mnemonics such as 'foo' or 'hello world') have been updated to disable the integrated assembler. Reviewers: rafael Reviewed By: rafael CC: llvm-commits Differential Revision: http://llvm-reviews.chandlerc.com/D2686 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201237 91177308-0d34-0410-b5e6-96231b3b80d8
* Reland "Fix miscompile of MS inline assembly with stack realignment"Reid Kleckner2013-12-10
| | | | | | | | | | | This re-lands commit r196876, which was reverted in r196879. The tests have been fixed to pass on platforms with a stack alignment larger than 4. Update to clang side tests will land shortly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196939 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Fix miscompile of MS inline assembly with stack realignment"Reid Kleckner2013-12-10
| | | | | | | This reverts commit r196876. Its tests failed on the bots, so I'll figure it out tomorrow. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196879 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix miscompile of MS inline assembly with stack realignmentReid Kleckner2013-12-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | For stack frames requiring realignment, three pointers may be needed: - ebp to address incoming arguments - esi (could be any callee-saved register) to address locals - esp to address outgoing arguments We would use esi unconditionally without verifying that it did not conflict with inline assembly. This change doesn't do the verification, it simply emits a fatal error on functions that use stack realignment, dynamic SP adjustments, and inline assembly. Because stack realignment is common on Windows, we also no longer assume that MS inline assembly clobbers esp. Instead, we analyze the inline instructions for implicit definitions and check if esp is there. If so, we require the use of a base pointer and consider it in the condition above. Mostly fixes PR16830, but we could try harder to find a non-conflicting base pointer. Reviewers: sunfish Differential Revision: http://llvm-reviews.chandlerc.com/D1317 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196876 91177308-0d34-0410-b5e6-96231b3b80d8
* Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to ↵Stephen Lin2013-07-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | function definitions for more informative error messages. No functionality change and all updated tests passed locally. This update was done with the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc.*debug" $NAME; then TEMP=`mktemp -t temp` cp $NAME $TEMP sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \ while read FUNC; do sed -i '' "s/;\(.*\)\([A-Za-z0-9_-]*\):\( *\)$FUNC: *\$/;\1\2-LABEL:\3$FUNC:/g" $TEMP done sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP mv $TEMP $NAME fi done git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186280 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Force the use of a base pointer if the MachineFunction includesChad Rosier2013-02-19
| | | | | | | | | | | | | MS-style inline assembly. This is a follow-on to r175334. Forcing a FP to be emitted doesn't ensure it will be used. Therefore, force the base pointer as well. We now treat MS inline assembly in the same way we treat functions with dynamic stack realignment and VLAs. This guarantees the BP will be used to reference parameters and locals. rdar://13218191 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175576 91177308-0d34-0410-b5e6-96231b3b80d8
* Force a cpu for test. It failed on atom due to different scheduling decisions.Benjamin Kramer2013-02-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175401 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Do not omit the frame pointer if we have ms-inline assembly.Chad Rosier2013-02-16
| | | | | | | | | | | If the frame pointer is omitted, and any stack changes occur in the inline assembly, e.g.: "pusha", then any C local variable or C argument references will be incorrect. I pass no judgement on anyone who would do such a thing. ;) rdar://13218191 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175334 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Fix up test case for non-Darwin platforms.Chad Rosier2013-02-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175087 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline-asm] Add support for memory references that have non-immediateChad Rosier2013-02-13
| | | | | | | | displacements. rdar://12974533 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175083 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm/test/CodeGen/X86/ms-inline-asm.ll: Fixup; Globals doesn't have leading ↵NAKAMURA Takumi2013-01-10
| | | | | | underscore in symbol on linux. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172139 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Add support for calling functions from inline assembly.Chad Rosier2013-01-10
| | | | | | Part of rdar://12991541 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172121 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove redundant test case from r166949, per Eli's suggestion.Chad Rosier2012-10-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166953 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Add support for the [] operator. Essentially, [expr1][expr2] isChad Rosier2012-10-29
| | | | | | | equivalent to [expr1 + expr2]. See test cases for more examples. rdar://12470392 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166949 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Add back-end test case for r166632. Make sure we emit theChad Rosier2012-10-24
| | | | | | | | correct .s output as well as get the correct encoding by the integrated assembler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166638 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Add support in the X86AsmPrinter for printing memory referencesChad Rosier2012-10-03
| | | | | | | | | | | | in the Intel syntax. The MC layer supports emitting in the Intel syntax, but this would require the inline assembly MachineInstr to be lowered to an MCInst before emission. This is potential future work, but for now emitting directly from the MachineInstr suffices. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165173 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Split the parsing of IR asm strings into GCC and MS variants.Chad Rosier2012-09-11
| | | | | | | | Add support in the EmitMSInlineAsmStr() function for handling integer consts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163645 91177308-0d34-0410-b5e6-96231b3b80d8
* Formatting. No functional change intended.Chad Rosier2012-09-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163627 91177308-0d34-0410-b5e6-96231b3b80d8
* test/CodeGen/X86/ms-inline-asm.ll: Relax for non-darwin x86 targets. ↵NAKAMURA Takumi2012-09-10
| | | | | | '##InlineAsm' could not be seen in other hosts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163554 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Properly emit the asm directives when the AsmPrinterVariantChad Rosier2012-09-10
| | | | | | | | and InlineAsmVariant don't match. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163550 91177308-0d34-0410-b5e6-96231b3b80d8
* Update test case for Release builds.Chad Rosier2012-09-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163549 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Pass the correct AsmVariant to the PrintAsmOperand() functionChad Rosier2012-09-10
and update the printOperand() function accordingly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163544 91177308-0d34-0410-b5e6-96231b3b80d8
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