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56 lines
2.0 KiB
56 lines
2.0 KiB
4 months ago
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1030 < %s | FileCheck -check-prefix=GCN %s
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; RUN: llc -global-isel -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1030 < %s | FileCheck -check-prefix=GCN %s
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define float @v_fma(float %a, float %b, float %c) {
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; GCN-LABEL: v_fma:
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; GCN: ; %bb.0:
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; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GCN-NEXT: s_waitcnt_vscnt null, 0x0
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; GCN-NEXT: v_fmac_legacy_f32_e64 v2, v0, v1
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; GCN-NEXT: v_mov_b32_e32 v0, v2
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; GCN-NEXT: s_setpc_b64 s[30:31]
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%fma = call float @llvm.amdgcn.fma.legacy(float %a, float %b, float %c)
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ret float %fma
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}
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define float @v_fabs_fma(float %a, float %b, float %c) {
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; GCN-LABEL: v_fabs_fma:
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; GCN: ; %bb.0:
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; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GCN-NEXT: s_waitcnt_vscnt null, 0x0
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; GCN-NEXT: v_fma_legacy_f32 v0, |v0|, v1, v2
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; GCN-NEXT: s_setpc_b64 s[30:31]
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%fabs.a = call float @llvm.fabs.f32(float %a)
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%fma = call float @llvm.amdgcn.fma.legacy(float %fabs.a, float %b, float %c)
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ret float %fma
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}
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define float @v_fneg_fabs_fma(float %a, float %b, float %c) {
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; GCN-LABEL: v_fneg_fabs_fma:
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; GCN: ; %bb.0:
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; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GCN-NEXT: s_waitcnt_vscnt null, 0x0
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; GCN-NEXT: v_fma_legacy_f32 v0, v0, -|v1|, v2
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; GCN-NEXT: s_setpc_b64 s[30:31]
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%fabs.b = call float @llvm.fabs.f32(float %b)
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%neg.fabs.b = fneg float %fabs.b
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%fma = call float @llvm.amdgcn.fma.legacy(float %a, float %neg.fabs.b, float %c)
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ret float %fma
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}
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define float @v_fneg_fma(float %a, float %b, float %c) {
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; GCN-LABEL: v_fneg_fma:
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; GCN: ; %bb.0:
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; GCN-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
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; GCN-NEXT: s_waitcnt_vscnt null, 0x0
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; GCN-NEXT: v_fma_legacy_f32 v0, v0, v1, -v2
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; GCN-NEXT: s_setpc_b64 s[30:31]
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%neg.c = fneg float %c
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%fma = call float @llvm.amdgcn.fma.legacy(float %a, float %b, float %neg.c)
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ret float %fma
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}
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declare float @llvm.amdgcn.fma.legacy(float, float, float)
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declare float @llvm.fabs.f32(float)
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