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[mlir][ArithToAMDGPU] limit scaling truncf/extf support to gfx950 #155431

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Merged
merged 3 commits into from
Sep 17, 2025
Merged

[mlir][ArithToAMDGPU] limit scaling truncf/extf support to gfx950 #155431

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5464787
limit scaling truncf/extf support to gfx950
Muzammiluddin-Syed-ECE Aug 26, 2025
2f2a400
hoist chipset check to variable
Muzammiluddin-Syed-ECE Aug 26, 2025
7e309b6
adding tests
Muzammiluddin-Syed-ECE Aug 27, 2025
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2 changes: 1 addition & 1 deletion mlir/lib/Conversion/ArithToAMDGPU/ArithToAMDGPU.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -702,7 +702,7 @@ void mlir::arith::populateArithToAMDGPUConversionPatterns(
if (allowPackedF16Rtz)
patterns.add<TruncfToFloat16RewritePattern>(patterns.getContext(), benefit);

if (chipset >= kGfx950) {
if (chipset == kGfx950) {
patterns.add<ScalingExtFRewritePattern>(patterns.getContext(), benefit);
patterns.add<ScalingTruncFRewritePattern>(patterns.getContext(), benefit);
}
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