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[AArch64][GlobalISel] Add legalization for G_VECREDUCE_MUL #68398

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Merged
merged 3 commits into from
Oct 16, 2023
Merged

[AArch64][GlobalISel] Add legalization for G_VECREDUCE_MUL #68398

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c27f240
[AArch64][GlobalISel] Add legalization for G_VECREDUCE_MUL
ChuongGoh-arm Oct 5, 2023
3b759cd
fixup! [AArch64][GlobalISel] Add legalization for G_VECREDUCE_MUL
ChuongGoh-arm Oct 9, 2023
ace4b3d
fixup! [AArch64][GlobalISel] Add legalization for G_VECREDUCE_MUL
ChuongGoh-arm Oct 10, 2023
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7 changes: 7 additions & 0 deletions llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -895,6 +895,13 @@ AArch64LegalizerInfo::AArch64LegalizerInfo(const AArch64Subtarget &ST)
.clampMaxNumElements(1, s16, 8)
.lower();

getActionDefinitionsBuilder(G_VECREDUCE_MUL)
.clampMaxNumElements(1, s32, 2)
.clampMaxNumElements(1, s16, 4)
.clampMaxNumElements(1, s8, 8)
.scalarize(1)
.lower();

getActionDefinitionsBuilder(
{G_VECREDUCE_OR, G_VECREDUCE_AND, G_VECREDUCE_XOR})
// Try to break down into smaller vectors as long as they're at least 64
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4 changes: 2 additions & 2 deletions llvm/test/CodeGen/AArch64/GlobalISel/legalizer-info-validation.mir
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Original file line number Diff line number Diff line change
Expand Up @@ -754,8 +754,8 @@
# DEBUG-NEXT: .. type index coverage check SKIPPED: user-defined predicate detected
# DEBUG-NEXT: .. imm index coverage check SKIPPED: user-defined predicate detected
# DEBUG-NEXT: G_VECREDUCE_MUL (opcode {{[0-9]+}}): 2 type indices, 0 imm indices
# DEBUG-NEXT: .. type index coverage check SKIPPED: no rules defined
# DEBUG-NEXT: .. imm index coverage check SKIPPED: no rules defined
# DEBUG-NEXT: .. type index coverage check SKIPPED: user-defined predicate detected
# DEBUG-NEXT: .. imm index coverage check SKIPPED: user-defined predicate detected
# DEBUG-NEXT: G_VECREDUCE_AND (opcode {{[0-9]+}}): 2 type indices, 0 imm indices
# DEBUG-NEXT: .. opcode {{[0-9]+}} is aliased to {{[0-9]+}}
# DEBUG-NEXT: .. type index coverage check SKIPPED: user-defined predicate detected
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