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 9define void @fmul_f32(float addrspace(1)* %out, float %a, float %b) { 10entry: 11 %0 = fmul float %a, %b 12 store float %0, float addrspace(1)* %out 13 ret void 14} 15 16declare float @llvm.R600.load.input(i32) readnone 17 18declare 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]}} 26define void @fmul_v2f32(<2 x float> addrspace(1)* %out, <2 x float> %a, <2 x float> %b) { 27entry: 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]}} 43define 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 56define 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 68define 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 82define 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 91attributes #0 = { nounwind } 92