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[HVX] Support lowering of setuo, seto. #140765

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[HVX] Support lowering of setuo, seto. #140765

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88b77a4
[HVX] Support lowering of setuo,seto.
kaushik-quicinc May 20, 2025
a087e11
Add setcc:uno, uo checks for f16
kaushik-quicinc May 22, 2025
ca8ed96
Use -mcpu=hexagonv79 instead of -mhvx79
kaushik-quicinc May 22, 2025
e046dd8
Use mattr=hvx79
kaushik-quicinc May 23, 2025
42e57ae
Fix typo. hvx79->hvxv79
kaushik-quicinc May 23, 2025
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4 changes: 4 additions & 0 deletions llvm/lib/Target/Hexagon/HexagonISelLoweringHVX.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -349,6 +349,8 @@ HexagonTargetLowering::initializeHVXLowering() {
setCondCodeAction(ISD::SETULE, MVT::v64f16, Expand);
setCondCodeAction(ISD::SETUGE, MVT::v64f16, Expand);
setCondCodeAction(ISD::SETULT, MVT::v64f16, Expand);
setCondCodeAction(ISD::SETUO, MVT::v64f16, Expand);
setCondCodeAction(ISD::SETO, MVT::v64f16, Expand);

setCondCodeAction(ISD::SETNE, MVT::v32f32, Expand);
setCondCodeAction(ISD::SETLE, MVT::v32f32, Expand);
Expand All @@ -362,6 +364,8 @@ HexagonTargetLowering::initializeHVXLowering() {
setCondCodeAction(ISD::SETULE, MVT::v32f32, Expand);
setCondCodeAction(ISD::SETUGE, MVT::v32f32, Expand);
setCondCodeAction(ISD::SETULT, MVT::v32f32, Expand);
setCondCodeAction(ISD::SETUO, MVT::v32f32, Expand);
setCondCodeAction(ISD::SETO, MVT::v32f32, Expand);

// Boolean vectors.

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28 changes: 28 additions & 0 deletions llvm/test/CodeGen/Hexagon/inst_setcc_uno_uo.ll
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@@ -0,0 +1,28 @@
;; RUN: llc --mtriple=hexagon -mattr=+hvxv79,+hvx-length128b %s -o - | FileCheck %s

define dso_local void @store_isnan_f32(ptr %a, ptr %isnan_a) local_unnamed_addr {
entry:
%arrayidx = getelementptr inbounds nuw float, ptr %a, i32 0
%0 = load <32 x float>, ptr %arrayidx, align 4
%.vectorized = fcmp uno <32 x float> %0, zeroinitializer
%.LS.instance = zext <32 x i1> %.vectorized to <32 x i32>
%arrayidx1 = getelementptr inbounds nuw i32, ptr %isnan_a, i32 0
store <32 x i32> %.LS.instance, ptr %arrayidx1, align 4
ret void
}
;; CHECK: store_isnan_f32
;; CHECK: vcmp.eq({{v[0-9]+.w}},{{v[0-9]+.w}})

define dso_local void @store_isnan_f16(ptr %a, ptr %isnan_a) local_unnamed_addr {
entry:
%arrayidx = getelementptr inbounds nuw half, ptr %a, i32 0
%0 = load <64 x half>, ptr %arrayidx, align 2
%.vectorized = fcmp uno <64 x half> %0, zeroinitializer
%conv.LS.instance = zext <64 x i1> %.vectorized to <64 x i16>
%arrayidx1 = getelementptr inbounds nuw i16, ptr %isnan_a, i32 0
store <64 x i16> %conv.LS.instance, ptr %arrayidx1, align 2
ret void
}

;; CHECK: store_isnan_f16
;; CHECK: vcmp.eq({{v[0-9]+.h}},{{v[0-9]+.h}})