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This aids debugging PostInitializer program points by knowing what is the location being initialized.

Screenshot from 2024-11-11 09-50-51

@steakhal steakhal requested a review from NagyDonat November 13, 2024 11:57
@llvmbot llvmbot added the clang Clang issues not falling into any other category label Nov 13, 2024
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llvmbot commented Nov 13, 2024

@llvm/pr-subscribers-clang

@llvm/pr-subscribers-clang-static-analyzer-1

Author: Balazs Benics (steakhal)

Changes

This aids debugging PostInitializer program points by knowing what is the location being initialized.

Screenshot from 2024-11-11 09-50-51


Full diff: https://github.com/llvm/llvm-project/pull/116034.diff

1 Files Affected:

  • (modified) clang/utils/analyzer/exploded-graph-rewriter.py (+9)
diff --git a/clang/utils/analyzer/exploded-graph-rewriter.py b/clang/utils/analyzer/exploded-graph-rewriter.py
index 5eaa7738103f79..2eff20fd5899f3 100755
--- a/clang/utils/analyzer/exploded-graph-rewriter.py
+++ b/clang/utils/analyzer/exploded-graph-rewriter.py
@@ -88,6 +88,8 @@ def __init__(self, json_pp):
             )
         elif self.kind == "BlockEntrance":
             self.block_id = json_pp["block_id"]
+        elif self.kind == "PostInitializer":
+            self.target = json_pp["field_decl"] if "field_decl" in json_pp else json_pp["type"]
 
 
 # A single expression acting as a key in a deserialized Environment.
@@ -618,6 +620,13 @@ def visit_program_point(self, p):
                 '<font color="%s">%s</font></td>'
                 '<td align="left">[B%d]</td></tr>' % (color, p.kind, p.block_id)
             )
+        elif p.kind == "PostInitializer":
+            self._dump(
+                '<td width="0"></td>'
+                '<td align="left" width="0">'
+                '<font color="%s">%s</font></td>'
+                '<td align="left">%s</td></tr>' % (color, p.kind, p.target)
+            )
         else:
             # TODO: Print more stuff for other kinds of points.
             self._dump(

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github-actions bot commented Nov 13, 2024

✅ With the latest revision this PR passed the Python code formatter.

This aids debugging PostInitializer program points by knowing what is
the location being initialized.
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Ping @NagyDonat

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Sorry for missing this review, I didn't noticed that this is distinct from the similar CallEnter change.

@steakhal steakhal merged commit 20cb4ec into llvm:main Nov 22, 2024
8 checks passed
@steakhal steakhal deleted the bb/post-initializer-egraph-rewriter-improvement branch November 22, 2024 15:40
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llvm-ci commented Nov 22, 2024

LLVM Buildbot has detected a new failure on builder clangd-ubuntu-tsan running on clangd-ubuntu-clang while building clang at step 6 "test-build-clangd-clangd-index-server-clangd-indexer-check-clangd".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/134/builds/9118

Here is the relevant piece of the build log for the reference
Step 6 (test-build-clangd-clangd-index-server-clangd-indexer-check-clangd) failure: test (failure)
******************** TEST 'Clangd :: target_info.test' FAILED ********************
Exit Code: 66

Command Output (stderr):
--
RUN: at line 5: rm -rf /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/tools/clang/tools/extra/clangd/test/Output/target_info.test.tmp.dir && mkdir -p /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/tools/clang/tools/extra/clangd/test/Output/target_info.test.tmp.dir
+ rm -rf /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/tools/clang/tools/extra/clangd/test/Output/target_info.test.tmp.dir
+ mkdir -p /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/tools/clang/tools/extra/clangd/test/Output/target_info.test.tmp.dir
RUN: at line 7: echo '[{"directory": "/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/tools/clang/tools/extra/clangd/test/Output/target_info.test.tmp.dir", "command": "/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/tools/clang/tools/extra/clangd/test/Output/target_info.test.tmp.dir/armv7-clang -x c++ the-file.cpp -v", "file": "the-file.cpp"}]' > /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/tools/clang/tools/extra/clangd/test/Output/target_info.test.tmp.dir/compile_commands.json
+ echo '[{"directory": "/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/tools/clang/tools/extra/clangd/test/Output/target_info.test.tmp.dir", "command": "/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/tools/clang/tools/extra/clangd/test/Output/target_info.test.tmp.dir/armv7-clang -x c++ the-file.cpp -v", "file": "the-file.cpp"}]'
RUN: at line 9: sed -e "s|INPUT_DIR|/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/tools/clang/tools/extra/clangd/test/Output/target_info.test.tmp.dir|g" /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/clang-tools-extra/clangd/test/target_info.test > /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/tools/clang/tools/extra/clangd/test/Output/target_info.test.tmp.test.1
+ sed -e 's|INPUT_DIR|/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/tools/clang/tools/extra/clangd/test/Output/target_info.test.tmp.dir|g' /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/clang-tools-extra/clangd/test/target_info.test
RUN: at line 12: sed -E -e 's|"file://([A-Z]):/|"file:///\1:/|g' /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/tools/clang/tools/extra/clangd/test/Output/target_info.test.tmp.test.1 > /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/tools/clang/tools/extra/clangd/test/Output/target_info.test.tmp.test
+ sed -E -e 's|"file://([A-Z]):/|"file:///\1:/|g' /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/tools/clang/tools/extra/clangd/test/Output/target_info.test.tmp.test.1
RUN: at line 14: clangd -lit-test < /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/tools/clang/tools/extra/clangd/test/Output/target_info.test.tmp.test 2>&1 | /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/bin/FileCheck -strict-whitespace /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/tools/clang/tools/extra/clangd/test/Output/target_info.test.tmp.test
+ clangd -lit-test
+ /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/bin/FileCheck -strict-whitespace /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/tools/clang/tools/extra/clangd/test/Output/target_info.test.tmp.test

--

********************


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