[llvm] [InstCombine] Canonicalize `max(min(X, MinC), MaxC) -> min(max(X, MaxC), MinC)` (PR #136665)

Wed Apr 23 02:30:50 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `lldb-aarch64-ubuntu` running on `linaro-lldb-aarch64-ubuntu` while building `llvm` at step 6 "test".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/59/builds/16486

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (test) failure: build (failure)
...
PASS: lldb-api :: test_utils/TestInlineTest.py (1142 of 2125)
PASS: lldb-api :: symbol_ondemand/shared_library/TestSharedLibOnDemand.py (1143 of 2125)
PASS: lldb-api :: test_utils/TestPExpectTest.py (1144 of 2125)
PASS: lldb-api :: test_utils/base/TestBaseTest.py (1145 of 2125)
PASS: lldb-api :: source-manager/TestSourceManager.py (1146 of 2125)
UNSUPPORTED: lldb-api :: tools/lldb-dap/breakpoint-events/TestDAP_breakpointEvents.py (1147 of 2125)
PASS: lldb-api :: tools/lldb-dap/breakpoint/TestDAP_breakpointLocations.py (1148 of 2125)
PASS: lldb-api :: python_api/watchpoint/watchlocation/TestSetWatchlocation.py (1149 of 2125)
PASS: lldb-api :: tools/lldb-dap/breakpoint/TestDAP_logpoints.py (1150 of 2125)
UNRESOLVED: lldb-api :: tools/lldb-dap/breakpoint/TestDAP_setBreakpoints.py (1151 of 2125)
******************** TEST 'lldb-api :: tools/lldb-dap/breakpoint/TestDAP_setBreakpoints.py' FAILED ********************
Script:
--
/usr/bin/python3.10 /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/llvm-project/lldb/test/API/dotest.py -u CXXFLAGS -u CFLAGS --env LLVM_LIBS_DIR=/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./lib --env LLVM_INCLUDE_DIR=/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/include --env LLVM_TOOLS_DIR=/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin --arch aarch64 --build-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex --lldb-module-cache-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex/module-cache-lldb/lldb-api --clang-module-cache-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex/module-cache-clang/lldb-api --executable /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin/lldb --compiler /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin/clang --dsymutil /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin/dsymutil --make /usr/bin/gmake --llvm-tools-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin --lldb-obj-root /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/tools/lldb --lldb-libs-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./lib /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/llvm-project/lldb/test/API/tools/lldb-dap/breakpoint -p TestDAP_setBreakpoints.py
--
Exit Code: 1

Command Output (stdout):
--
lldb version 21.0.0git (https://github.com/llvm/llvm-project.git revision 6db447f824d46956172b104f08105b25f9428f55)
  clang revision 6db447f824d46956172b104f08105b25f9428f55
  llvm revision 6db447f824d46956172b104f08105b25f9428f55
Skipping the following test categories: ['libc++', 'dsym', 'gmodules', 'debugserver', 'objc']

--
Command Output (stderr):
--
========= DEBUG ADAPTER PROTOCOL LOGS =========
1745400543.040003061 --> (stdin/stdout) {"command":"initialize","type":"request","arguments":{"adapterID":"lldb-native","clientID":"vscode","columnsStartAt1":true,"linesStartAt1":true,"locale":"en-us","pathFormat":"path","supportsRunInTerminalRequest":true,"supportsVariablePaging":true,"supportsVariableType":true,"supportsStartDebuggingRequest":true,"supportsProgressReporting":true,"$__lldb_sourceInitFile":false},"seq":1}
1745400543.042117119 <-- (stdin/stdout) {"body":{"$__lldb_version":"lldb version 21.0.0git (https://github.com/llvm/llvm-project.git revision 6db447f824d46956172b104f08105b25f9428f55)\n  clang revision 6db447f824d46956172b104f08105b25f9428f55\n  llvm revision 6db447f824d46956172b104f08105b25f9428f55","completionTriggerCharacters":["."," ","\t"],"exceptionBreakpointFilters":[{"default":false,"filter":"cpp_catch","label":"C++ Catch"},{"default":false,"filter":"cpp_throw","label":"C++ Throw"},{"default":false,"filter":"objc_catch","label":"Objective-C Catch"},{"default":false,"filter":"objc_throw","label":"Objective-C Throw"}],"supportTerminateDebuggee":true,"supportsBreakpointLocationsRequest":true,"supportsCancelRequest":true,"supportsCompletionsRequest":true,"supportsConditionalBreakpoints":true,"supportsConfigurationDoneRequest":true,"supportsDataBreakpoints":true,"supportsDelayedStackTraceLoading":true,"supportsDisassembleRequest":true,"supportsEvaluateForHovers":true,"supportsExceptionInfoRequest":true,"supportsExceptionOptions":true,"supportsFunctionBreakpoints":true,"supportsHitConditionalBreakpoints":true,"supportsInstructionBreakpoints":true,"supportsLogPoints":true,"supportsModulesRequest":true,"supportsReadMemoryRequest":true,"supportsRestartRequest":true,"supportsSetVariable":true,"supportsStepInTargetsRequest":true,"supportsSteppingGranularity":true,"supportsValueFormattingOptions":true},"command":"initialize","request_seq":1,"seq":0,"success":true,"type":"response"}
1745400543.042354345 --> (stdin/stdout) {"command":"launch","type":"request","arguments":{"program":"/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex/tools/lldb-dap/breakpoint/TestDAP_setBreakpoints.test_clear_breakpoints_unset_breakpoints/a.out","initCommands":["settings clear -all","settings set symbols.enable-external-lookup false","settings set target.inherit-tcc true","settings set target.disable-aslr false","settings set target.detach-on-error false","settings set target.auto-apply-fixits false","settings set plugin.process.gdb-remote.packet-timeout 60","settings set symbols.clang-modules-cache-path \"/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex/module-cache-lldb/lldb-api\"","settings set use-color false","settings set show-statusline false"],"disableASLR":false,"enableAutoVariableSummaries":false,"enableSyntheticChildDebugging":false,"displayExtendedBacktrace":false,"commandEscapePrefix":null},"seq":2}
1745400543.042547226 <-- (stdin/stdout) {"body":{"category":"console","output":"Running initCommands:\n"},"event":"output","seq":0,"type":"event"}
1745400543.042567730 <-- (stdin/stdout) {"body":{"category":"console","output":"(lldb) settings clear -all\n"},"event":"output","seq":0,"type":"event"}
1745400543.042577982 <-- (stdin/stdout) {"body":{"category":"console","output":"(lldb) settings set symbols.enable-external-lookup false\n"},"event":"output","seq":0,"type":"event"}
1745400543.042587042 <-- (stdin/stdout) {"body":{"category":"console","output":"(lldb) settings set target.inherit-tcc true\n"},"event":"output","seq":0,"type":"event"}
1745400543.042595387 <-- (stdin/stdout) {"body":{"category":"console","output":"(lldb) settings set target.disable-aslr false\n"},"event":"output","seq":0,"type":"event"}
1745400543.042603970 <-- (stdin/stdout) {"body":{"category":"console","output":"(lldb) settings set target.detach-on-error false\n"},"event":"output","seq":0,"type":"event"}
1745400543.042612076 <-- (stdin/stdout) {"body":{"category":"console","output":"(lldb) settings set target.auto-apply-fixits false\n"},"event":"output","seq":0,"type":"event"}
1745400543.042619705 <-- (stdin/stdout) {"body":{"category":"console","output":"(lldb) settings set plugin.process.gdb-remote.packet-timeout 60\n"},"event":"output","seq":0,"type":"event"}
1745400543.042639017 <-- (stdin/stdout) {"body":{"category":"console","output":"(lldb) settings set symbols.clang-modules-cache-path \"/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex/module-cache-lldb/lldb-api\"\n"},"event":"output","seq":0,"type":"event"}
1745400543.042649746 <-- (stdin/stdout) {"body":{"category":"console","output":"(lldb) settings set use-color false\n"},"event":"output","seq":0,"type":"event"}
1745400543.042657852 <-- (stdin/stdout) {"body":{"category":"console","output":"(lldb) settings set show-statusline false\n"},"event":"output","seq":0,"type":"event"}
1745400543.121123314 <-- (stdin/stdout) {"command":"launch","request_seq":2,"seq":0,"success":true,"type":"response"}
1745400543.121182680 <-- (stdin/stdout) {"body":{"isLocalProcess":true,"name":"/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex/tools/lldb-dap/breakpoint/TestDAP_setBreakpoints.test_clear_breakpoints_unset_breakpoints/a.out","startMethod":"launch","systemProcessId":3006787},"event":"process","seq":0,"type":"event"}
1745400543.121192932 <-- (stdin/stdout) {"event":"initialized","seq":0,"type":"event"}
1745400543.121432304 --> (stdin/stdout) {"command":"setBreakpoints","type":"request","arguments":{"source":{"name":"main-copy.cpp","path":"/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex/tools/lldb-dap/breakpoint/TestDAP_setBreakpoints.test_clear_breakpoints_unset_breakpoints/main-copy.cpp"},"sourceModified":false,"lines":[6,10],"breakpoints":[{"line":6},{"line":10}]},"seq":3}
1745400543.123077631 <-- (stdin/stdout) {"body":{"breakpoint":{"column":15,"id":1,"instructionReference":"0xAAAAB83F0E5C","line":6,"verified":true},"reason":"changed"},"event":"breakpoint","seq":0,"type":"event"}
1745400543.123304129 <-- (stdin/stdout) {"body":{"breakpoint":{"column":15,"id":2,"instructionReference":"0xAAAAB83F0E74","line":10,"verified":true},"reason":"changed"},"event":"breakpoint","seq":0,"type":"event"}
1745400543.123312950 <-- (stdin/stdout) {"body":{"breakpoints":[{"column":15,"id":1,"instructionReference":"0xAAAAB83F0E5C","line":6,"source":{"name":"main-copy.cpp","path":"/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex/tools/lldb-dap/breakpoint/TestDAP_setBreakpoints.test_clear_breakpoints_unset_breakpoints/main-copy.cpp"},"verified":true},{"column":15,"id":2,"instructionReference":"0xAAAAB83F0E74","line":10,"source":{"name":"main-copy.cpp","path":"/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex/tools/lldb-dap/breakpoint/TestDAP_setBreakpoints.test_clear_breakpoints_unset_breakpoints/main-copy.cpp"},"verified":true}]},"command":"setBreakpoints","request_seq":3,"seq":0,"success":true,"type":"response"}

```

</details>

https://github.com/llvm/llvm-project/pull/136665