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[Codegen][LLVM] Accept splat form in VLA broadcast test #19716

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Merged
tqchen merged 2 commits into from
Jun 10, 2026
Merged

[Codegen][LLVM] Accept splat form in VLA broadcast test #19716

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[Codegen][LLVM] Accept splat form in VLA broadcast test
tlopex Jun 10, 2026
b77d7fb
[Codegen][LLVM] Use in-operator instead of re.findall in VLA broadcas…
tqchen Jun 10, 2026
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7 changes: 5 additions & 2 deletions tests/python/codegen/test_target_codegen_llvm_vla.py
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Original file line number Diff line number Diff line change
Expand Up @@ -109,8 +109,11 @@ def my_func(a: T.handle):
mod = tvm.tirx.build(my_func)

llvm = mod.inspect_source("ll")
assert re.findall(
r"shufflevector \(<vscale x 4 x float> insertelement \(<vscale x 4 x float>", llvm
# Older LLVM versions print the broadcast as a shufflevector of an insertelement,
# newer ones print it as a splat constant.
assert (
"shufflevector (<vscale x 4 x float> insertelement (<vscale x 4 x float>" in llvm
or "store <vscale x 4 x float> splat (float 1.000000e+00)" in llvm
), "No scalable broadcast in generated LLVM."
assert re.findall(r" store <vscale x 4 x float>", llvm), "No scalable store in generated LLVM."

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