; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s ; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=R600 -check-prefix=FUNC %s ; FUNC-LABEL: {{^}}fmul_f32: ; R600: MUL_IEEE {{\** *}}{{T[0-9]+\.[XYZW]}}, KC0[2].Z, KC0[2].W ; SI: v_mul_f32 define void @fmul_f32(float addrspace(1)* %out, float %a, float %b) { entry: %0 = fmul float %a, %b store float %0, float addrspace(1)* %out ret void } declare float @llvm.R600.load.input(i32) readnone declare void @llvm.AMDGPU.store.output(float, i32) ; FUNC-LABEL: {{^}}fmul_v2f32: ; R600: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW]}} ; R600: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW]}} ; SI: v_mul_f32 ; SI: v_mul_f32 define void @fmul_v2f32(<2 x float> addrspace(1)* %out, <2 x float> %a, <2 x float> %b) { entry: %0 = fmul <2 x float> %a, %b store <2 x float> %0, <2 x float> addrspace(1)* %out ret void } ; FUNC-LABEL: {{^}}fmul_v4f32: ; R600: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}} ; R600: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}} ; R600: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}} ; R600: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}} ; SI: v_mul_f32 ; SI: v_mul_f32 ; SI: v_mul_f32 ; SI: v_mul_f32 define void @fmul_v4f32(<4 x float> addrspace(1)* %out, <4 x float> addrspace(1)* %in) { %b_ptr = getelementptr <4 x float>, <4 x float> addrspace(1)* %in, i32 1 %a = load <4 x float>, <4 x float> addrspace(1) * %in %b = load <4 x float>, <4 x float> addrspace(1) * %b_ptr %result = fmul <4 x float> %a, %b store <4 x float> %result, <4 x float> addrspace(1)* %out ret void } ; FUNC-LABEL: {{^}}test_mul_2_k: ; SI: v_mul_f32 ; SI-NOT: v_mul_f32 ; SI: s_endpgm define void @test_mul_2_k(float addrspace(1)* %out, float %x) #0 { %y = fmul float %x, 2.0 %z = fmul float %y, 3.0 store float %z, float addrspace(1)* %out ret void } ; FUNC-LABEL: {{^}}test_mul_2_k_inv: ; SI: v_mul_f32 ; SI-NOT: v_mul_f32 ; SI-NOT: v_mad_f32 ; SI: s_endpgm define void @test_mul_2_k_inv(float addrspace(1)* %out, float %x) #0 { %y = fmul float %x, 3.0 %z = fmul float %y, 2.0 store float %z, float addrspace(1)* %out ret void } ; There should be three multiplies here; %a should be used twice (once ; negated), not duplicated into mul x, 5.0 and mul x, -5.0. ; FUNC-LABEL: {{^}}test_mul_twouse: ; SI: v_mul_f32 ; SI: v_mul_f32 ; SI: v_mul_f32 ; SI-NOT: v_mul_f32 define void @test_mul_twouse(float addrspace(1)* %out, float %x, float %y) #0 { %a = fmul float %x, 5.0 %b = fsub float -0.0, %a %c = fmul float %b, %y %d = fmul float %c, %a store float %d, float addrspace(1)* %out ret void } attributes #0 = { "less-precise-fpmad"="true" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "unsafe-fp-math"="true" }