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; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s
; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=R600 -check-prefix=FUNC %s
; FUNC-LABEL: {{^}}fmul_f32:
; GCN: v_mul_f32
; R600: MUL_IEEE {{\** *}}{{T[0-9]+\.[XYZW]}}, KC0[2].Z, KC0[2].W
define amdgpu_kernel 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
}
; FUNC-LABEL: {{^}}fmul_v2f32:
; GCN: v_mul_f32
; GCN: v_mul_f32
; R600: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW]}}
; R600: MUL_IEEE {{\** *}}T{{[0-9]+\.[XYZW]}}
define amdgpu_kernel 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:
; GCN: v_mul_f32
; GCN: v_mul_f32
; GCN: v_mul_f32
; GCN: v_mul_f32
; 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]}}
define amdgpu_kernel 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:
; GCN: v_mul_f32
; GCN-NOT: v_mul_f32
; GCN: s_endpgm
define amdgpu_kernel 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:
; GCN: v_mul_f32
; GCN-NOT: v_mul_f32
; GCN-NOT: v_mad_f32
; GCN: s_endpgm
define amdgpu_kernel 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:
; GCN: v_mul_f32
; GCN: v_mul_f32
; GCN: v_mul_f32
; GCN-NOT: v_mul_f32
define amdgpu_kernel 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 = { nounwind }
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