2018-05-01 03:08:16 +08:00
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; RUN: llc -march=amdgcn -mcpu=gfx906 -verify-machineinstrs < %s | FileCheck %s --check-prefix=GFX906
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2018-08-01 09:31:30 +08:00
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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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2018-05-01 03:08:16 +08:00
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2018-08-01 09:31:30 +08:00
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; GFX906-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{{$}}
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define amdgpu_kernel void @test_llvm_amdgcn_fdot2_clamp(
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2018-05-01 03:08:16 +08:00
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float addrspace(1)* %r,
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<2 x half> addrspace(1)* %a,
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<2 x half> addrspace(1)* %b,
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float addrspace(1)* %c) {
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entry:
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%a.val = load <2 x half>, <2 x half> addrspace(1)* %a
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%b.val = load <2 x half>, <2 x half> addrspace(1)* %b
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%c.val = load float, float addrspace(1)* %c
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2018-08-01 09:31:30 +08:00
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%r.val = call float @llvm.amdgcn.fdot2(<2 x half> %a.val, <2 x half> %b.val, float %c.val, i1 1)
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store float %r.val, float addrspace(1)* %r
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ret void
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}
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; GFX906-LABEL: {{^}}test_llvm_amdgcn_fdot2_no_clamp
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; GFX906: v_dot2_f32_f16 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}{{$}}
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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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2018-05-01 03:08:16 +08:00
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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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[AMDGPU] Fix an issue in `op_sel_hi` skipping.
Summary:
- Only apply packed literal `op_sel_hi` skipping on operands requiring
packed literals. Even an instruction is `packed`, it may have operand
requiring non-packed literal, such as `v_dot2_f32_f16`.
Reviewers: rampitec, arsenm, kzhuravl
Subscribers: jvesely, wdng, nhaehnle, yaxunl, dstuttard, tpr, t-tye, hiraditya, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D60978
llvm-svn: 358922
2019-04-23 06:05:49 +08:00
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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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