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* [CodeGen] Unify MBB reference format in both MIR and debug outputFrancis Visoiu Mistrih2017-12-041-2/+2
| | | | | | | | | | | | | | | | As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
* [CodeGen] Print "%vreg0" as "%0" in both MIR and debug outputFrancis Visoiu Mistrih2017-11-301-1/+1
| | | | | | | | | | | | | | | | | As part of the unification of the debug format and the MIR format, avoid printing "vreg" for virtual registers (which is one of the current MIR possibilities). Basically: * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E "s/%vreg([0-9]+)/%\1/g" * grep -nr '%vreg' . and fix if needed * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E "s/ vreg([0-9]+)/ %\1/g" * grep -nr 'vreg[0-9]\+' . and fix if needed Differential Revision: https://reviews.llvm.org/D40420 llvm-svn: 319427
* Canonicalize the representation of empty an expression in ↵Adrian Prantl2017-08-301-1/+1
| | | | | | | | | | | | | | | | DIGlobalVariableExpression This change simplifies code that has to deal with DIGlobalVariableExpression and mirrors how we treat DIExpressions in debug info intrinsics. Before this change there were two ways of representing empty expressions on globals, a nullptr and an empty !DIExpression(). If someone needs to upgrade out-of-tree testcases: perl -pi -e 's/(!DIGlobalVariableExpression\(var: ![0-9]*)\)/\1, expr: !DIExpression())/g' <MYTEST.ll> will catch 95%. llvm-svn: 312144
* [WebAssembly] Convert the remaining unit tests to the new wasm-object-file ↵Dan Gohman2017-02-281-1/+1
| | | | | | | | | | | target. To facilitate this, add a new hidden command-line option to disable the explicit-locals pass. That causes llc to emit invalid code that doesn't have all locals converted to get_local/set_local, however it simplifies testwriting in many cases. llvm-svn: 296540
* [WebAssembly] Basic support for Wasm object file encoding.Dan Gohman2017-02-241-1/+1
| | | | | | | | | With the "wasm32-unknown-unknown-wasm" triple, this allows writing out simple wasm object files, and is another step in a larger series toward migrating from ELF to general wasm object support. Note that this code and the binary format itself is still experimental. llvm-svn: 296190
* Renumber testcase metadata nodes after r290153.Adrian Prantl2016-12-221-38/+40
| | | | | | | | | | | | | This patch renumbers the metadata nodes in debug info testcases after https://reviews.llvm.org/D26769. This is a separate patch because it causes so much churn. This was implemented with a python script that pipes the testcases through llvm-as - | llvm-dis - and then goes through the original and new output side-by side to insert all comments at a close-enough location. Differential Revision: https://reviews.llvm.org/D27765 llvm-svn: 290292
* [IR] Remove the DIExpression field from DIGlobalVariable.Adrian Prantl2016-12-201-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch implements PR31013 by introducing a DIGlobalVariableExpression that holds a pair of DIGlobalVariable and DIExpression. Currently, DIGlobalVariables holds a DIExpression. This is not the best way to model this: (1) The DIGlobalVariable should describe the source level variable, not how to get to its location. (2) It makes it unsafe/hard to update the expressions when we call replaceExpression on the DIGLobalVariable. (3) It makes it impossible to represent a global variable that is in more than one location (e.g., a variable with multiple DW_OP_LLVM_fragment-s). We also moved away from attaching the DIExpression to DILocalVariable for the same reasons. This reapplies r289902 with additional testcase upgrades and a change to the Bitcode record for DIGlobalVariable, that makes upgrading the old format unambiguous also for variables without DIExpressions. <rdar://problem/29250149> https://llvm.org/bugs/show_bug.cgi?id=31013 Differential Revision: https://reviews.llvm.org/D26769 llvm-svn: 290153
* Revert "[IR] Remove the DIExpression field from DIGlobalVariable."Adrian Prantl2016-12-161-1/+1
| | | | | | | | | | | | | | | | | This reverts commit 289920 (again). I forgot to implement a Bitcode upgrade for the case where a DIGlobalVariable has not DIExpression. Unfortunately it is not possible to safely upgrade these variables without adding a flag to the bitcode record indicating which version they are. My plan of record is to roll the planned follow-up patch that adds a unit: field to DIGlobalVariable into this patch before recomitting. This way we only need one Bitcode upgrade for both changes (with a version flag in the bitcode record to safely distinguish the record formats). Sorry for the churn! llvm-svn: 289982
* [IR] Remove the DIExpression field from DIGlobalVariable.Adrian Prantl2016-12-161-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch implements PR31013 by introducing a DIGlobalVariableExpression that holds a pair of DIGlobalVariable and DIExpression. Currently, DIGlobalVariables holds a DIExpression. This is not the best way to model this: (1) The DIGlobalVariable should describe the source level variable, not how to get to its location. (2) It makes it unsafe/hard to update the expressions when we call replaceExpression on the DIGLobalVariable. (3) It makes it impossible to represent a global variable that is in more than one location (e.g., a variable with multiple DW_OP_LLVM_fragment-s). We also moved away from attaching the DIExpression to DILocalVariable for the same reasons. This reapplies r289902 with additional testcase upgrades. <rdar://problem/29250149> https://llvm.org/bugs/show_bug.cgi?id=31013 Differential Revision: https://reviews.llvm.org/D26769 llvm-svn: 289920
* Revert "[IR] Remove the DIExpression field from DIGlobalVariable."Adrian Prantl2016-12-161-1/+1
| | | | | | This reverts commit 289902 while investigating bot berakage. llvm-svn: 289906
* [IR] Remove the DIExpression field from DIGlobalVariable.Adrian Prantl2016-12-161-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch implements PR31013 by introducing a DIGlobalVariableExpression that holds a pair of DIGlobalVariable and DIExpression. Currently, DIGlobalVariables holds a DIExpression. This is not the best way to model this: (1) The DIGlobalVariable should describe the source level variable, not how to get to its location. (2) It makes it unsafe/hard to update the expressions when we call replaceExpression on the DIGLobalVariable. (3) It makes it impossible to represent a global variable that is in more than one location (e.g., a variable with multiple DW_OP_LLVM_fragment-s). We also moved away from attaching the DIExpression to DILocalVariable for the same reasons. <rdar://problem/29250149> https://llvm.org/bugs/show_bug.cgi?id=31013 Differential Revision: https://reviews.llvm.org/D26769 llvm-svn: 289902
* [WebAssembly] Trying to fix broken tests in CodeGen/WebAssembly caused by ↵Eric Liu2016-09-131-1/+1
| | | | | | | | | | | | r281285. Reviewers: bkramer, ddcc, dschuff, sunfish Subscribers: jfb, llvm-commits, dschuff Differential Revision: https://reviews.llvm.org/D24497 llvm-svn: 281312
* [WebAssembly] Re-enable disabled debug value testDominic Chen2016-08-121-1/+0
| | | | | | | | | | | | | | | Summary: This test was resulting in asan/valgrind failures due to undefined DWARF register mappings for WebAssembly, and was disabled in r278495. These have been resolved. Reviewers: sunfish, dschuff Subscribers: bkramer, llvm-commits, jfb Differential Revision: https://reviews.llvm.org/D23459 llvm-svn: 278576
* [Webassembly] disable unstable test.Benjamin Kramer2016-08-121-0/+2
| | | | | | It reads uninitialized memory and crashes randomly. llvm-svn: 278495
* Improve virtual register handling when computing debug informationDominic Chen2016-08-111-0/+69
Summary: Some backends, like WebAssembly, use virtual registers instead of physical registers. This crashes the DbgValueHistoryCalculator pass, which assumes that all registers are physical. Instead, skip virtual registers when iterating aliases, and assume that they are clobbered. Reviewers: dexonsmith, dschuff, aprantl Subscribers: yurydelendik, llvm-commits, jfb, sunfish Differential Revision: https://reviews.llvm.org/D22590 llvm-svn: 278371
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