89ec96b8b4
Implement the f16tof32() intrinsic, including DXILand SPIRV codegen, and associated tests. Fixes #99112 --------- Co-authored-by: Tim Corringham <tcorring@amd.com>
19 lines
898 B
LLVM
19 lines
898 B
LLVM
; RUN: llc -O0 -verify-machineinstrs -mtriple=spirv-unknown-vulkan %s -o - | FileCheck %s
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; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-unknown-vulkan %s -o - -filetype=obj | spirv-val %}
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; CHECK-DAG: [[SET:%.*]] = OpExtInstImport "GLSL.std.450"
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; CHECK-DAG: [[UINT:%.*]] = OpTypeInt 32 0
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; CHECK-DAG: [[FLOAT:%.*]] = OpTypeFloat 32
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; CHECK-DAG: [[FLOAT2:%.*]] = OpTypeVector [[FLOAT]] 2
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; CHECK: [[P0:%.*]] = OpFunctionParameter [[UINT]]
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; CHECK: [[UNPACK2:%.*]] = OpExtInst [[FLOAT2]] [[SET]] UnpackHalf2x16 [[P0]]
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; CHECK: [[UNPACK:%.*]] = OpCompositeExtract [[FLOAT]] [[UNPACK2]] 0
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; CHECK: OpReturnValue [[UNPACK]]
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define hidden spir_func noundef nofpclass(nan inf) float @_Z9test_funcj(i32 noundef %0) local_unnamed_addr #0 {
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%2 = tail call reassoc nnan ninf nsz arcp afn <2 x float> @llvm.spv.unpackhalf2x16.v2f32(i32 %0)
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%3 = extractelement <2 x float> %2, i64 0
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ret float %3
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}
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