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