Add support for flag output operand "=@cc" for SystemZ.#125970

Merged

uweigand merged 53 commits intollvm:mainfrom

anoopkg6:asm_llvm

Oct 14, 2025

Commits on Feb 5, 2025

Add support for flag output operand "=@cc" for SystemZ and optimizing conditional branch for 14 possible combinations of CC mask.
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Commits on Feb 7, 2025

Removed triple check in CGStmt.cpp and using StringRef in SystemZ.h.
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clang test causing pr build failure.
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Commits on Feb 10, 2025

Commits on Feb 11, 2025

Commits on Feb 13, 2025

Incorporated suggestions in review.
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Commits on Feb 25, 2025

- Changes relating to ConstraintInfo for setting flag output CC upper bound
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Commits on Apr 21, 2025

Commits on Jun 24, 2025

Added pattern for XOR, OR, TM, AND, ICMP to PerformDAGCombine and simplified conmbineCCMask as a result.
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Commits on Jun 25, 2025

Incorporated code review feedback.
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Commits on Jun 30, 2025

Incorporated code review feedback.
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Commits on Jul 2, 2025

Incorporated code review feedback.
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Commits on Jul 10, 2025

Incorporated code review feedback.
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Merge branch 'main' into asm_llvm
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Commits on Jul 15, 2025

1. Incorporated code review feedback.
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Commits on Jul 16, 2025

Eliminated combinedOR/combineXOR/combineAND altogether and collapsed into
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Commits on Jul 25, 2025

Incorporated code review changes for combineLogicalOpCCMask, which may be used for future work.
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Commits on Aug 4, 2025

Merge branch 'llvm:main' into asm_llvm
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Commits on Aug 6, 2025

1. Implement SDValue simplifyAssumingCCVal to evaluate Val under the assumption that CC actually results in the numerical condition code value CCVal, and return vector of CCVals for each position.
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Commits on Aug 17, 2025

Commits on Aug 21, 2025

1. Remove converting SDValue into int, rather operate via embedded APInt to
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Commits on Aug 24, 2025

Commits on Aug 26, 2025

Commits on Aug 27, 2025

Merge branch 'llvm:main' into asm_llvm
anoopkg6
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Commits on Aug 28, 2025

Commits on Aug 29, 2025

Merge branch 'llvm:main' into asm_llvm
anoopkg6
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1. Added some comments.
anoopkg6
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Commits on Sep 9, 2025

1. Moved getCCResult above SystemZTargetLowering::LowerAsmOutputForConstraint.
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Commits on Sep 10, 2025

Commits on Sep 11, 2025

Add clang tests for flag output operand.
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Auto-generate checks for clang test using update_cc_test_checks.py.
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Commits on Sep 12, 2025

Merge branch 'llvm:main' into asm_llvm
anoopkg6
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Commits on Sep 24, 2025

Commits on Sep 25, 2025

Commits on Sep 26, 2025

Commits on Oct 3, 2025

Merge branch 'llvm:main' into asm_llvm
anoopkg6
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Commits on Oct 14, 2025

Merge branch 'main' into asm_llvm
uweigand
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