|  | ; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN %s | 
|  | ; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN %s | 
|  |  | 
|  | ; GCN-LABEL: {{^}}test_fmax_f32_ieee_mode_on: | 
|  | ; GCN: v_mul_f32_e64 [[QUIET0:v[0-9]+]], 1.0, s{{[0-9]+}} | 
|  | ; GCN: v_mul_f32_e64 [[QUIET1:v[0-9]+]], 1.0, s{{[0-9]+}} | 
|  | ; GCN: v_max_f32_e32 [[RESULT:v[0-9]+]], [[QUIET1]], [[QUIET0]] | 
|  | ; GCN-NOT: [[RESULT]] | 
|  | ; GCN: buffer_store_dword [[RESULT]] | 
|  | define amdgpu_kernel void @test_fmax_f32_ieee_mode_on(ptr addrspace(1) %out, float %a, float %b) #0 { | 
|  | %val = call float @llvm.maxnum.f32(float %a, float %b) #1 | 
|  | store float %val, ptr addrspace(1) %out, align 4 | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; GCN-LABEL: {{^}}test_fmax_f32_ieee_mode_off: | 
|  | ; GCN: v_max_f32_e32 v0, v0, v1 | 
|  | ; GCN-NEXT: ; return | 
|  | define amdgpu_ps float @test_fmax_f32_ieee_mode_off(float %a, float %b) #0 { | 
|  | %val = call float @llvm.maxnum.f32(float %a, float %b) #1 | 
|  | ret float %val | 
|  | } | 
|  |  | 
|  | ; GCN-LABEL: {{^}}test_fmax_v2f32: | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | define amdgpu_kernel void @test_fmax_v2f32(ptr addrspace(1) %out, <2 x float> %a, <2 x float> %b) #0 { | 
|  | %val = call <2 x float> @llvm.maxnum.v2f32(<2 x float> %a, <2 x float> %b) | 
|  | store <2 x float> %val, ptr addrspace(1) %out, align 8 | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; GCN-LABEL: {{^}}test_fmax_v3f32: | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN-NOT: v_max_f32 | 
|  | define amdgpu_kernel void @test_fmax_v3f32(ptr addrspace(1) %out, <3 x float> %a, <3 x float> %b) nounwind { | 
|  | %val = call <3 x float> @llvm.maxnum.v3f32(<3 x float> %a, <3 x float> %b) #0 | 
|  | store <3 x float> %val, ptr addrspace(1) %out, align 16 | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; GCN-LABEL: {{^}}test_fmax_v4f32: | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | define amdgpu_kernel void @test_fmax_v4f32(ptr addrspace(1) %out, <4 x float> %a, <4 x float> %b) #0 { | 
|  | %val = call <4 x float> @llvm.maxnum.v4f32(<4 x float> %a, <4 x float> %b) | 
|  | store <4 x float> %val, ptr addrspace(1) %out, align 16 | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; GCN-LABEL: {{^}}test_fmax_v8f32: | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | define amdgpu_kernel void @test_fmax_v8f32(ptr addrspace(1) %out, <8 x float> %a, <8 x float> %b) #0 { | 
|  | %val = call <8 x float> @llvm.maxnum.v8f32(<8 x float> %a, <8 x float> %b) | 
|  | store <8 x float> %val, ptr addrspace(1) %out, align 32 | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; GCN-LABEL: {{^}}test_fmax_v16f32: | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | define amdgpu_kernel void @test_fmax_v16f32(ptr addrspace(1) %out, <16 x float> %a, <16 x float> %b) #0 { | 
|  | %val = call <16 x float> @llvm.maxnum.v16f32(<16 x float> %a, <16 x float> %b) | 
|  | store <16 x float> %val, ptr addrspace(1) %out, align 64 | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; GCN-LABEL: {{^}}constant_fold_fmax_f32: | 
|  | ; GCN-NOT: v_max_f32_e32 | 
|  | ; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 2.0 | 
|  | ; GCN: buffer_store_dword [[REG]] | 
|  | define amdgpu_kernel void @constant_fold_fmax_f32(ptr addrspace(1) %out) #0 { | 
|  | %val = call float @llvm.maxnum.f32(float 1.0, float 2.0) | 
|  | store float %val, ptr addrspace(1) %out, align 4 | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; GCN-LABEL: {{^}}constant_fold_fmax_f32_nan_nan: | 
|  | ; GCN-NOT: v_max_f32_e32 | 
|  | ; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x7fc00000 | 
|  | ; GCN: buffer_store_dword [[REG]] | 
|  | define amdgpu_kernel void @constant_fold_fmax_f32_nan_nan(ptr addrspace(1) %out) #0 { | 
|  | %val = call float @llvm.maxnum.f32(float 0x7FF8000000000000, float 0x7FF8000000000000) | 
|  | store float %val, ptr addrspace(1) %out, align 4 | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; GCN-LABEL: {{^}}constant_fold_fmax_f32_val_nan: | 
|  | ; GCN-NOT: v_max_f32_e32 | 
|  | ; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 1.0 | 
|  | ; GCN: buffer_store_dword [[REG]] | 
|  | define amdgpu_kernel void @constant_fold_fmax_f32_val_nan(ptr addrspace(1) %out) #0 { | 
|  | %val = call float @llvm.maxnum.f32(float 1.0, float 0x7FF8000000000000) | 
|  | store float %val, ptr addrspace(1) %out, align 4 | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; GCN-LABEL: {{^}}constant_fold_fmax_f32_nan_val: | 
|  | ; GCN-NOT: v_max_f32_e32 | 
|  | ; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 1.0 | 
|  | ; GCN: buffer_store_dword [[REG]] | 
|  | define amdgpu_kernel void @constant_fold_fmax_f32_nan_val(ptr addrspace(1) %out) #0 { | 
|  | %val = call float @llvm.maxnum.f32(float 0x7FF8000000000000, float 1.0) | 
|  | store float %val, ptr addrspace(1) %out, align 4 | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; GCN-LABEL: {{^}}constant_fold_fmax_f32_p0_p0: | 
|  | ; GCN-NOT: v_max_f32_e32 | 
|  | ; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0 | 
|  | ; GCN: buffer_store_dword [[REG]] | 
|  | define amdgpu_kernel void @constant_fold_fmax_f32_p0_p0(ptr addrspace(1) %out) #0 { | 
|  | %val = call float @llvm.maxnum.f32(float 0.0, float 0.0) | 
|  | store float %val, ptr addrspace(1) %out, align 4 | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; GCN-LABEL: {{^}}constant_fold_fmax_f32_p0_n0: | 
|  | ; GCN-NOT: v_max_f32_e32 | 
|  | ; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0 | 
|  | ; GCN: buffer_store_dword [[REG]] | 
|  | define amdgpu_kernel void @constant_fold_fmax_f32_p0_n0(ptr addrspace(1) %out) #0 { | 
|  | %val = call float @llvm.maxnum.f32(float 0.0, float -0.0) | 
|  | store float %val, ptr addrspace(1) %out, align 4 | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; GCN-LABEL: {{^}}constant_fold_fmax_f32_n0_p0: | 
|  | ; GCN-NOT: v_max_f32_e32 | 
|  | ; GCN: v_bfrev_b32_e32 [[REG:v[0-9]+]], 1{{$}} | 
|  | ; GCN: buffer_store_dword [[REG]] | 
|  | define amdgpu_kernel void @constant_fold_fmax_f32_n0_p0(ptr addrspace(1) %out) #0 { | 
|  | %val = call float @llvm.maxnum.f32(float -0.0, float 0.0) | 
|  | store float %val, ptr addrspace(1) %out, align 4 | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; GCN-LABEL: {{^}}constant_fold_fmax_f32_n0_n0: | 
|  | ; GCN-NOT: v_max_f32_e32 | 
|  | ; GCN: v_bfrev_b32_e32 [[REG:v[0-9]+]], 1{{$}} | 
|  | ; GCN: buffer_store_dword [[REG]] | 
|  | define amdgpu_kernel void @constant_fold_fmax_f32_n0_n0(ptr addrspace(1) %out) #0 { | 
|  | %val = call float @llvm.maxnum.f32(float -0.0, float -0.0) | 
|  | store float %val, ptr addrspace(1) %out, align 4 | 
|  | ret void | 
|  | } | 
|  |  | 
|  | ; GCN-LABEL: {{^}}fmax_var_immediate_f32_no_ieee: | 
|  | ; GCN: v_max_f32_e64 {{v[0-9]+}}, {{s[0-9]+}}, 2.0 | 
|  | define amdgpu_ps float @fmax_var_immediate_f32_no_ieee(float inreg %a) #0 { | 
|  | %val = call float @llvm.maxnum.f32(float %a, float 2.0) #0 | 
|  | ret float %val | 
|  | } | 
|  |  | 
|  | ; GCN-LABEL: {{^}}fmax_immediate_var_f32_no_ieee: | 
|  | ; GCN: v_max_f32_e64 {{v[0-9]+}}, {{s[0-9]+}}, 2.0 | 
|  | define amdgpu_ps float @fmax_immediate_var_f32_no_ieee(float inreg %a) #0 { | 
|  | %val = call float @llvm.maxnum.f32(float 2.0, float %a) #0 | 
|  | ret float %val | 
|  | } | 
|  |  | 
|  | ; GCN-LABEL: {{^}}fmax_var_literal_f32_no_ieee: | 
|  | ; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x42c60000 | 
|  | ; GCN: v_max_f32_e32 {{v[0-9]+}}, {{s[0-9]+}}, [[REG]] | 
|  | define amdgpu_ps float @fmax_var_literal_f32_no_ieee(float inreg %a) #0 { | 
|  | %val = call float @llvm.maxnum.f32(float %a, float 99.0) #0 | 
|  | ret float %val | 
|  | } | 
|  |  | 
|  | ; GCN-LABEL: {{^}}fmax_literal_var_f32_no_ieee: | 
|  | ; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x42c60000 | 
|  | ; GCN: v_max_f32_e32 {{v[0-9]+}}, {{s[0-9]+}}, [[REG]] | 
|  | define amdgpu_ps float @fmax_literal_var_f32_no_ieee(float inreg %a) #0 { | 
|  | %val = call float @llvm.maxnum.f32(float 99.0, float %a) #0 | 
|  | ret float %val | 
|  | } | 
|  |  | 
|  | ; GCN-LABEL: {{^}}test_func_fmax_v3f32: | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN: v_max_f32_e32 | 
|  | ; GCN-NOT: v_max_f32 | 
|  | define <3 x float> @test_func_fmax_v3f32(<3 x float> %a, <3 x float> %b) #0 { | 
|  | %val = call <3 x float> @llvm.maxnum.v3f32(<3 x float> %a, <3 x float> %b) #0 | 
|  | ret <3 x float> %val | 
|  | } | 
|  |  | 
|  | declare float @llvm.maxnum.f32(float, float) #1 | 
|  | declare <2 x float> @llvm.maxnum.v2f32(<2 x float>, <2 x float>) #1 | 
|  | declare <3 x float> @llvm.maxnum.v3f32(<3 x float>, <3 x float>) #1 | 
|  | declare <4 x float> @llvm.maxnum.v4f32(<4 x float>, <4 x float>) #1 | 
|  | declare <8 x float> @llvm.maxnum.v8f32(<8 x float>, <8 x float>) #1 | 
|  | declare <16 x float> @llvm.maxnum.v16f32(<16 x float>, <16 x float>) #1 | 
|  | declare double @llvm.maxnum.f64(double, double) | 
|  |  | 
|  | attributes #0 = { nounwind "denormal-fp-math-f32"="preserve-sign,preserve-sign" } | 
|  | attributes #1 = { nounwind readnone } |