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Differential D149210

[IR] Change shufflevector undef mask to poison
ClosedPublic

Authored by ManuelJBrito on Apr 25 2023, 3:36 PM.

Details

Reviewers
aqjune
efriedma
RKSimon
nikic
nlopes
spatel
deadalnix
lebedev.ri
jdoerfert
sstefan1
Commits
rG8b56da5e9f3b: [IR] Change shufflevector undef mask to poison
Summary

With this patch an undefined mask in a shufflevector will be printed as poison.
This change is done to support the new shufflevector semantics for undefined mask elements (see D148637).

Diff Detail

Event Timeline

ManuelJBrito created this revision.Apr 25 2023, 3:36 PM
Herald added a reviewer: deadalnix. · View Herald TranscriptApr 25 2023, 3:36 PM
Herald added a reviewer: lebedev.ri. · View Herald Transcript
Herald added a project: Restricted Project. · View Herald Transcript
Herald added subscribers: luke, kosarev, StephenFan and 32 others. · View Herald Transcript
ManuelJBrito requested review of this revision.Apr 25 2023, 3:36 PM
Herald added a reviewer: jdoerfert. · View Herald TranscriptApr 25 2023, 3:36 PM
Herald added a reviewer: sstefan1. · View Herald Transcript
Herald added projects: Restricted Project, Restricted Project. · View Herald Transcript
Herald added subscribers: llvm-commits, cfe-commits, • pcwang-thead, MaskRay. · View Herald Transcript
ManuelJBrito mentioned this in D148637: [LangRef] Update shufflevector's semantics to return poison if the mask is undef.Apr 25 2023, 3:38 PM
LiDongjin added a subscriber: LiDongjin.Apr 25 2023, 4:55 PM
LiDongjin added inline comments.
llvm/include/llvm-c/Core.h
4088

undefined to poison

Harbormaster completed remote builds in B228134: Diff 516957.Apr 25 2023, 4:59 PM
nikic requested changes to this revision.Apr 26 2023, 12:33 AM

Could you please split the change to printing + the test updates from all the other changes? The code changes get lost in the large diff.

llvm/include/llvm-c/Core.h
4090

This breaks C API compatibility without good cause. Either leave this name alone or add a function with the new name and mark this one as deprecated.

This revision now requires changes to proceed.Apr 26 2023, 12:33 AM
ManuelJBrito added a comment.Apr 26 2023, 5:54 AM
In D149210#4298124, @nikic wrote:

Could you please split the change to printing + the test updates from all the other changes? The code changes get lost in the large diff.

Yes, that makes sense. The internal representation can be addressed separately from the printing.

ManuelJBrito updated this revision to Diff 517150.Apr 26 2023, 6:42 AM

Split patch into print update and internal representation.

Harbormaster completed remote builds in B228280: Diff 517150.Apr 26 2023, 6:51 AM
nikic accepted this revision.Apr 26 2023, 11:53 AM

LGTM assuming tests pass.

This revision is now accepted and ready to land.Apr 26 2023, 11:53 AM
This revision was landed with ongoing or failed builds.Apr 27 2023, 6:41 AM
Closed by commit rG8b56da5e9f3b: [IR] Change shufflevector undef mask to poison (authored by ManuelJBrito). · Explain Why
This revision was automatically updated to reflect the committed changes.
ManuelJBrito added a commit: rG8b56da5e9f3b: [IR] Change shufflevector undef mask to poison.

Large Diff

This large diff affects 268 files. Files without inline comments have been collapsed. Expand All Files

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Diff 516957

clang/test/CodeGen/PowerPC/builtins-ppc-p10vector.c

clang/test/CodeGen/PowerPC/builtins-ppc-p9vector.c

clang/test/CodeGen/builtins-nondeterministic-value.c

clang/test/CodeGen/builtinshufflevector2.c

clang/test/CodeGen/ext-vector.c

clang/test/CodeGenOpenCL/as_type.cl

clang/test/CodeGenOpenCL/partial_initializer.cl

clang/test/CodeGenOpenCL/preserve_vec3.cl

clang/test/CodeGenOpenCL/vector_literals.cl

clang/test/CodeGenOpenCL/vector_shufflevector.cl

llvm/include/llvm-c/Core.h

Show First 20 Lines • Show All 89 Lines • ▼ Show 20 Lines
/** /**
* Get the number of elements in the mask of a ShuffleVector instruction. * Get the number of elements in the mask of a ShuffleVector instruction.
*/ */
unsigned LLVMGetNumMaskElements(LLVMValueRef ShuffleVectorInst); unsigned LLVMGetNumMaskElements(LLVMValueRef ShuffleVectorInst);
/** /**
* \returns a constant that specifies that the result of a \c ShuffleVectorInst * \returns a constant that specifies that the result of a \c ShuffleVectorInst
* is undefined. * is undefined.
LiDongjinUnsubmitted
Not Done
ReplyInline Actions

undefined to poison

LiDongjin: undefined to poison
*/ */
int LLVMGetUndefMaskElem(void); int LLVMGetPoisonMaskElem(void);
nikicUnsubmitted
Not Done
ReplyInline Actions

This breaks C API compatibility without good cause. Either leave this name alone or add a function with the new name and mark this one as deprecated.

nikic: This breaks C API compatibility without good cause. Either leave this name alone or add a…
/** /**
* Get the mask value at position Elt in the mask of a ShuffleVector * Get the mask value at position Elt in the mask of a ShuffleVector
* instruction. * instruction.
* *
* \Returns the result of \c LLVMGetUndefMaskElem() if the mask value is undef * \Returns the result of \c LLVMGetPoisonMaskElem() if the mask value is poison
* at that position. * at that position.
*/ */
int LLVMGetMaskValue(LLVMValueRef ShuffleVectorInst, unsigned Elt); int LLVMGetMaskValue(LLVMValueRef ShuffleVectorInst, unsigned Elt);
LLVMBool LLVMIsAtomicSingleThread(LLVMValueRef AtomicInst); LLVMBool LLVMIsAtomicSingleThread(LLVMValueRef AtomicInst);
void LLVMSetAtomicSingleThread(LLVMValueRef AtomicInst, LLVMBool SingleThread); void LLVMSetAtomicSingleThread(LLVMValueRef AtomicInst, LLVMBool SingleThread);
LLVMAtomicOrdering LLVMGetCmpXchgSuccessOrdering(LLVMValueRef CmpXchgInst); LLVMAtomicOrdering LLVMGetCmpXchgSuccessOrdering(LLVMValueRef CmpXchgInst);
▲ Show 20 Lines • Show All 91 Lines • Show Last 20 Lines

llvm/include/llvm/Analysis/TargetTransformInfoImpl.h

llvm/include/llvm/IR/Instructions.h

llvm/lib/Analysis/InstructionSimplify.cpp

llvm/lib/Analysis/ValueTracking.cpp

llvm/lib/Analysis/VectorUtils.cpp

llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp

llvm/lib/IR/AsmWriter.cpp

llvm/lib/IR/ConstantFold.cpp

llvm/lib/IR/Core.cpp

llvm/lib/IR/Instructions.cpp

llvm/lib/Target/AArch64/AArch64ISelLowering.cpp

llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp

llvm/lib/Target/X86/X86TargetTransformInfo.cpp

llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp

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llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp

llvm/lib/Transforms/InstCombine/InstCombineVectorOps.cpp

llvm/lib/Transforms/InstCombine/InstructionCombining.cpp

llvm/lib/Transforms/Scalar/ScalarizeMaskedMemIntrin.cpp

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llvm/test/Transforms/InstCombine/vec_demanded_elts-inseltpoison.ll

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llvm/test/Transforms/LoopUnroll/X86/pr46430-inseltpoison.ll

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llvm/test/Transforms/LoopVectorize/AArch64/interleaved-store-of-first-order-recurrence.ll

llvm/test/Transforms/LoopVectorize/RISCV/interleaved-accesses.ll

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llvm/test/Transforms/LoopVectorize/interleaved-accesses.ll

llvm/test/Transforms/LowerMatrixIntrinsics/bigger-expressions-double.ll

llvm/test/Transforms/LowerMatrixIntrinsics/const-gep.ll

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llvm/test/Transforms/LowerMatrixIntrinsics/multiply-left-transpose-row-major.ll

llvm/test/Transforms/LowerMatrixIntrinsics/multiply-right-transpose.ll

llvm/test/Transforms/LowerMatrixIntrinsics/preserve-existing-fast-math-flags.ll

llvm/test/Transforms/LowerMatrixIntrinsics/propagate-backwards-unsupported.ll

llvm/test/Transforms/LowerMatrixIntrinsics/strided-load-double.ll

llvm/test/Transforms/LowerMatrixIntrinsics/strided-load-float.ll

llvm/test/Transforms/LowerMatrixIntrinsics/strided-load-i32.ll

llvm/test/Transforms/LowerMatrixIntrinsics/transpose-double.ll

llvm/test/Transforms/LowerMatrixIntrinsics/transpose-float.ll

llvm/test/Transforms/LowerMatrixIntrinsics/transpose-i32.ll

llvm/test/Transforms/LowerMatrixIntrinsics/transpose-opts-iterator-invalidation.ll

llvm/test/Transforms/LowerMatrixIntrinsics/transpose-opts.ll

llvm/test/Transforms/PhaseOrdering/ARM/mve-floatreduce.ll

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llvm/test/Transforms/PhaseOrdering/X86/vector-reductions-logical.ll

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llvm/test/Transforms/SLPVectorizer/RISCV/math-function.ll

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llvm/test/Transforms/SLPVectorizer/X86/insert-element-build-vector-const-undef.ll

llvm/test/Transforms/SLPVectorizer/X86/insert-element-build-vector-inseltpoison.ll

llvm/test/Transforms/SLPVectorizer/X86/insert-element-build-vector.ll

llvm/test/Transforms/SLPVectorizer/X86/jumbled_store_crash.ll

llvm/test/Transforms/SLPVectorizer/X86/landing_pad.ll

llvm/test/Transforms/SLPVectorizer/X86/load-merge-inseltpoison.ll

llvm/test/Transforms/SLPVectorizer/X86/load-merge.ll

llvm/test/Transforms/SLPVectorizer/X86/load-partial-vector-shuffle.ll

llvm/test/Transforms/SLPVectorizer/X86/lookahead.ll

llvm/test/Transforms/SLPVectorizer/X86/matched-shuffled-entries.ll

llvm/test/Transforms/SLPVectorizer/X86/memory-runtime-checks.ll

llvm/test/Transforms/SLPVectorizer/X86/operandorder.ll

llvm/test/Transforms/SLPVectorizer/X86/peek-through-shuffle.ll

llvm/test/Transforms/SLPVectorizer/X86/phi.ll

llvm/test/Transforms/SLPVectorizer/X86/pr47642.ll

llvm/test/Transforms/SLPVectorizer/X86/pr49081.ll

llvm/test/Transforms/SLPVectorizer/X86/reduced-gathered-vectorized.ll

llvm/test/Transforms/SLPVectorizer/X86/reduction2.ll

llvm/test/Transforms/SLPVectorizer/X86/reorder-clustered-node.ll

llvm/test/Transforms/SLPVectorizer/X86/reorder-reused-masked-gather.ll

llvm/test/Transforms/SLPVectorizer/X86/resched.ll

llvm/test/Transforms/SLPVectorizer/X86/reused-extractelements.ll

llvm/test/Transforms/SLPVectorizer/X86/reused-scalars-in-buildvector.ll

llvm/test/Transforms/SLPVectorizer/X86/root-trunc-extract-reuse.ll

llvm/test/Transforms/SLPVectorizer/X86/scatter-vectorize-reused-pointer.ll

llvm/test/Transforms/SLPVectorizer/X86/shuffle-multiple-nodes.ll

llvm/test/Transforms/SLPVectorizer/X86/sitofp-inseltpoison.ll

llvm/test/Transforms/SLPVectorizer/X86/sitofp.ll

llvm/test/Transforms/SLPVectorizer/X86/split-load8_2-unord.ll

llvm/test/Transforms/SLPVectorizer/X86/tiny-tree.ll

llvm/test/Transforms/SLPVectorizer/X86/vec_list_bias-inseltpoison.ll

llvm/test/Transforms/SLPVectorizer/X86/vec_list_bias.ll

llvm/test/Transforms/SLPVectorizer/X86/vec_list_bias_external_insert_shuffled.ll

llvm/test/Transforms/SLPVectorizer/X86/vect-gather-same-nodes.ll

llvm/test/Transforms/SROA/slice-width.ll

llvm/test/Transforms/SROA/vector-conversion.ll

llvm/test/Transforms/SROA/vector-promotion.ll

llvm/test/Transforms/VectorCombine/AArch64/load-extractelement-scalarization.ll

llvm/test/Transforms/VectorCombine/AArch64/select-shuffle.ll

llvm/test/Transforms/VectorCombine/AArch64/vecreduce-shuffle.ll

llvm/test/Transforms/VectorCombine/AMDGPU/as-transition-inseltpoison.ll

llvm/test/Transforms/VectorCombine/AMDGPU/as-transition.ll

llvm/test/Transforms/VectorCombine/X86/extract-binop-inseltpoison.ll

llvm/test/Transforms/VectorCombine/X86/extract-binop.ll

llvm/test/Transforms/VectorCombine/X86/extract-cmp-binop.ll

llvm/test/Transforms/VectorCombine/X86/extract-cmp.ll

llvm/test/Transforms/VectorCombine/X86/load-inseltpoison.ll

llvm/test/Transforms/VectorCombine/X86/load-widening.ll

llvm/test/Transforms/VectorCombine/X86/load.ll

llvm/test/Transforms/VectorCombine/X86/select-shuffle.ll

llvm/test/Transforms/VectorCombine/X86/shuffle.ll

llvm/tools/llvm-c-test/echo.cpp