forked from OSchip/llvm-project
47 lines
2.1 KiB
LLVM
47 lines
2.1 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=gfx906 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=GCN,GFX906
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; RUN: llc -march=amdgcn -mcpu=gfx1011 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=GCN,GFX10
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; RUN: llc -march=amdgcn -mcpu=gfx1012 -verify-machineinstrs < %s | FileCheck %s --check-prefixes=GCN,GFX10
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declare float @llvm.amdgcn.fdot2(<2 x half> %a, <2 x half> %b, float %c, i1 %clamp)
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; GCN-LABEL: {{^}}test_llvm_amdgcn_fdot2_clamp
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; GFX906: v_dot2_f32_f16 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}} clamp{{$}}
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; GFX10: v_dot2_f32_f16 v{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}} clamp{{$}}
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define amdgpu_kernel void @test_llvm_amdgcn_fdot2_clamp(
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float addrspace(1)* %r,
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<2 x half> addrspace(1)* %a,
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<2 x half> addrspace(1)* %b,
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float addrspace(1)* %c) {
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entry:
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%a.val = load <2 x half>, <2 x half> addrspace(1)* %a
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%b.val = load <2 x half>, <2 x half> addrspace(1)* %b
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%c.val = load float, float addrspace(1)* %c
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%r.val = call float @llvm.amdgcn.fdot2(<2 x half> %a.val, <2 x half> %b.val, float %c.val, i1 1)
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store float %r.val, float addrspace(1)* %r
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ret void
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}
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; GCN-LABEL: {{^}}test_llvm_amdgcn_fdot2_no_clamp
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; GFX906: v_dot2_f32_f16 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}{{$}}
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; GFX10: v_dot2c_f32_f16_e32 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}{{$}}
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define amdgpu_kernel void @test_llvm_amdgcn_fdot2_no_clamp(
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float addrspace(1)* %r,
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<2 x half> addrspace(1)* %a,
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<2 x half> addrspace(1)* %b,
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float addrspace(1)* %c) {
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entry:
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%a.val = load <2 x half>, <2 x half> addrspace(1)* %a
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%b.val = load <2 x half>, <2 x half> addrspace(1)* %b
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%c.val = load float, float addrspace(1)* %c
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%r.val = call float @llvm.amdgcn.fdot2(<2 x half> %a.val, <2 x half> %b.val, float %c.val, i1 0)
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store float %r.val, float addrspace(1)* %r
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ret void
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}
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; GFX906-LABEL: {{^}}fdot2_inline_literal
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; GFX906: v_dot2_f32_f16 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}, 1.0
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define float @fdot2_inline_literal(<2 x half> %a, <2 x half> %b) {
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%ret = tail call float @llvm.amdgcn.fdot2(<2 x half> %a, <2 x half> %b, float 1.0, i1 false)
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ret float %ret
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}
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