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[AMDGPU] Add basic tests for emitting v_fma_f16 and friends
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | ||
; RUN: llc -global-isel=0 -march=amdgcn -mcpu=gfx900 < %s | FileCheck %s -check-prefixes=GFX9,GFX9-SDAG | ||
; RUN: llc -global-isel=1 -march=amdgcn -mcpu=gfx900 < %s | FileCheck %s -check-prefixes=GFX9,GFX9-GISEL | ||
; RUN: llc -global-isel=0 -march=amdgcn -mcpu=gfx1010 < %s | FileCheck %s -check-prefixes=GFX10,GFX10-SDAG | ||
; RUN: llc -global-isel=1 -march=amdgcn -mcpu=gfx1010 < %s | FileCheck %s -check-prefixes=GFX10,GFX10-GISEL | ||
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declare half @llvm.fma.f16(half, half, half) | ||
declare half @llvm.maxnum.f16(half, half) | ||
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define half @test_fma(half %x, half %y, half %z) { | ||
; GFX9-LABEL: test_fma: | ||
; GFX9: ; %bb.0: | ||
; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | ||
; GFX9-NEXT: v_fma_f16 v0, v0, v1, v2 | ||
; GFX9-NEXT: s_setpc_b64 s[30:31] | ||
; | ||
; GFX10-LABEL: test_fma: | ||
; GFX10: ; %bb.0: | ||
; GFX10-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | ||
; GFX10-NEXT: s_waitcnt_vscnt null, 0x0 | ||
; GFX10-NEXT: v_fma_f16 v0, v0, v1, v2 | ||
; GFX10-NEXT: s_setpc_b64 s[30:31] | ||
%r = call half @llvm.fma.f16(half %x, half %y, half %z) | ||
ret half %r | ||
} | ||
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; GFX10+ has v_fmac_f16. | ||
define half @test_fmac(half %x, half %y, half %z) { | ||
; GFX9-LABEL: test_fmac: | ||
; GFX9: ; %bb.0: | ||
; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | ||
; GFX9-NEXT: v_fma_f16 v0, v1, v2, v0 | ||
; GFX9-NEXT: s_setpc_b64 s[30:31] | ||
; | ||
; GFX10-LABEL: test_fmac: | ||
; GFX10: ; %bb.0: | ||
; GFX10-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | ||
; GFX10-NEXT: s_waitcnt_vscnt null, 0x0 | ||
; GFX10-NEXT: v_fmac_f16_e32 v0, v1, v2 | ||
; GFX10-NEXT: s_setpc_b64 s[30:31] | ||
%r = call half @llvm.fma.f16(half %y, half %z, half %x) | ||
ret half %r | ||
} | ||
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; GFX10+ has v_fmaak_f16. | ||
define half @test_fmaak(half %x, half %y, half %z) { | ||
; GFX9-SDAG-LABEL: test_fmaak: | ||
; GFX9-SDAG: ; %bb.0: | ||
; GFX9-SDAG-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | ||
; GFX9-SDAG-NEXT: s_movk_i32 s4, 0x4200 | ||
; GFX9-SDAG-NEXT: v_fma_f16 v0, v0, v1, s4 | ||
; GFX9-SDAG-NEXT: s_setpc_b64 s[30:31] | ||
; | ||
; GFX9-GISEL-LABEL: test_fmaak: | ||
; GFX9-GISEL: ; %bb.0: | ||
; GFX9-GISEL-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | ||
; GFX9-GISEL-NEXT: v_mov_b32_e32 v2, 0x4200 | ||
; GFX9-GISEL-NEXT: v_fma_f16 v0, v0, v1, v2 | ||
; GFX9-GISEL-NEXT: s_setpc_b64 s[30:31] | ||
; | ||
; GFX10-SDAG-LABEL: test_fmaak: | ||
; GFX10-SDAG: ; %bb.0: | ||
; GFX10-SDAG-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | ||
; GFX10-SDAG-NEXT: s_waitcnt_vscnt null, 0x0 | ||
; GFX10-SDAG-NEXT: v_fmaak_f16 v0, v0, v1, 0x4200 | ||
; GFX10-SDAG-NEXT: s_setpc_b64 s[30:31] | ||
; | ||
; GFX10-GISEL-LABEL: test_fmaak: | ||
; GFX10-GISEL: ; %bb.0: | ||
; GFX10-GISEL-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | ||
; GFX10-GISEL-NEXT: s_waitcnt_vscnt null, 0x0 | ||
; GFX10-GISEL-NEXT: v_fma_f16 v0, v0, v1, 0x4200 | ||
; GFX10-GISEL-NEXT: s_setpc_b64 s[30:31] | ||
%r = call half @llvm.fma.f16(half %x, half %y, half 0xH4200) | ||
ret half %r | ||
} | ||
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; GFX10+ has v_fmamk_f16. | ||
define half @test_fmamk(half %x, half %y, half %z) { | ||
; GFX9-SDAG-LABEL: test_fmamk: | ||
; GFX9-SDAG: ; %bb.0: | ||
; GFX9-SDAG-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | ||
; GFX9-SDAG-NEXT: s_movk_i32 s4, 0x4200 | ||
; GFX9-SDAG-NEXT: v_fma_f16 v0, v0, s4, v2 | ||
; GFX9-SDAG-NEXT: s_setpc_b64 s[30:31] | ||
; | ||
; GFX9-GISEL-LABEL: test_fmamk: | ||
; GFX9-GISEL: ; %bb.0: | ||
; GFX9-GISEL-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | ||
; GFX9-GISEL-NEXT: v_mov_b32_e32 v1, 0x4200 | ||
; GFX9-GISEL-NEXT: v_fma_f16 v0, v0, v1, v2 | ||
; GFX9-GISEL-NEXT: s_setpc_b64 s[30:31] | ||
; | ||
; GFX10-LABEL: test_fmamk: | ||
; GFX10: ; %bb.0: | ||
; GFX10-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) | ||
; GFX10-NEXT: s_waitcnt_vscnt null, 0x0 | ||
; GFX10-NEXT: v_fmamk_f16 v0, v0, 0x4200, v2 | ||
; GFX10-NEXT: s_setpc_b64 s[30:31] | ||
%r = call half @llvm.fma.f16(half %x, half 0xH4200, half %z) | ||
ret half %r | ||
} |