1 ; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s 2 ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s 3 ; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=R600 -check-prefix=FUNC %s 4 5 ; FUNC-LABEL: {{^}}fmul_f32: 6 ; GCN: v_mul_f32 7 8 ; R600: MUL_IEEE {{\** *}}{{T[0-9]+\.[XYZW]}}, KC0[2].Z, KC0[2].W 9 define void @fmul_f32(float addrspace(1)* %out, float %a, float %b) { 10 entry: 11 %0 = fmul float %a, %b 12 store float %0, float addrspace(1)* %out 13 ret void 14 } 15 16 declare float @llvm.R600.load.input(i32) readnone 17 18 declare void @llvm.AMDGPU.store.output(float, i32) 19 20 ; FUNC-LABEL: {{^}}fmul_v2f32: 21 ; GCN: v_mul_f32 22 ; GCN: v_mul_f32 23 24 ; R600: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW]}} 25 ; R600: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW]}} 26 define void @fmul_v2f32(<2 x float> addrspace(1)* %out, <2 x float> %a, <2 x float> %b) { 27 entry: 28 %0 = fmul <2 x float> %a, %b 29 store <2 x float> %0, <2 x float> addrspace(1)* %out 30 ret void 31 } 32 33 ; FUNC-LABEL: {{^}}fmul_v4f32: 34 ; GCN: v_mul_f32 35 ; GCN: v_mul_f32 36 ; GCN: v_mul_f32 37 ; GCN: v_mul_f32 38 39 ; R600: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}} 40 ; R600: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}} 41 ; R600: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}} 42 ; R600: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}} 43 define void @fmul_v4f32(<4 x float> addrspace(1)* %out, <4 x float> addrspace(1)* %in) { 44 %b_ptr = getelementptr <4 x float>, <4 x float> addrspace(1)* %in, i32 1 45 %a = load <4 x float>, <4 x float> addrspace(1) * %in 46 %b = load <4 x float>, <4 x float> addrspace(1) * %b_ptr 47 %result = fmul <4 x float> %a, %b 48 store <4 x float> %result, <4 x float> addrspace(1)* %out 49 ret void 50 } 51 52 ; FUNC-LABEL: {{^}}test_mul_2_k: 53 ; GCN: v_mul_f32 54 ; GCN-NOT: v_mul_f32 55 ; GCN: s_endpgm 56 define void @test_mul_2_k(float addrspace(1)* %out, float %x) #0 { 57 %y = fmul float %x, 2.0 58 %z = fmul float %y, 3.0 59 store float %z, float addrspace(1)* %out 60 ret void 61 } 62 63 ; FUNC-LABEL: {{^}}test_mul_2_k_inv: 64 ; GCN: v_mul_f32 65 ; GCN-NOT: v_mul_f32 66 ; GCN-NOT: v_mad_f32 67 ; GCN: s_endpgm 68 define void @test_mul_2_k_inv(float addrspace(1)* %out, float %x) #0 { 69 %y = fmul float %x, 3.0 70 %z = fmul float %y, 2.0 71 store float %z, float addrspace(1)* %out 72 ret void 73 } 74 75 ; There should be three multiplies here; %a should be used twice (once 76 ; negated), not duplicated into mul x, 5.0 and mul x, -5.0. 77 ; FUNC-LABEL: {{^}}test_mul_twouse: 78 ; GCN: v_mul_f32 79 ; GCN: v_mul_f32 80 ; GCN: v_mul_f32 81 ; GCN-NOT: v_mul_f32 82 define void @test_mul_twouse(float addrspace(1)* %out, float %x, float %y) #0 { 83 %a = fmul float %x, 5.0 84 %b = fsub float -0.0, %a 85 %c = fmul float %b, %y 86 %d = fmul float %c, %a 87 store float %d, float addrspace(1)* %out 88 ret void 89 } 90 91 attributes #0 = { nounwind } 92
