62d6beba97
Add lowering of `llvm.bitreverse` and `llvm.trunc` intrinsics to DXIL ops. Fixes #86582 Fixes #86581
21 lines
597 B
LLVM
21 lines
597 B
LLVM
; RUN: opt -S -dxil-op-lower < %s | FileCheck %s
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; Make sure dxil operation function calls for trunc are generated for float and half.
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define noundef float @trunc_float(float noundef %a) {
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entry:
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; CHECK:call float @dx.op.unary.f32(i32 29, float %{{.*}})
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%elt.trunc = call float @llvm.trunc.f32(float %a)
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ret float %elt.trunc
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}
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define noundef half @trunc_half(half noundef %a) {
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entry:
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; CHECK:call half @dx.op.unary.f16(i32 29, half %{{.*}})
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%elt.trunc = call half @llvm.trunc.f16(half %a)
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ret half %elt.trunc
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}
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declare half @llvm.trunc.f16(half)
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declare float @llvm.trunc.f32(float)
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