diff options
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/fmaxnum.ll')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/fmaxnum.ll | 56 |
1 files changed, 32 insertions, 24 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/fmaxnum.ll b/llvm/test/CodeGen/AMDGPU/fmaxnum.ll index 58b5b5282b0..7e16d1b883a 100644 --- a/llvm/test/CodeGen/AMDGPU/fmaxnum.ll +++ b/llvm/test/CodeGen/AMDGPU/fmaxnum.ll @@ -1,14 +1,26 @@ ; 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: -; GCN: v_max_f32_e32 -define amdgpu_kernel void @test_fmax_f32(float addrspace(1)* %out, float %a, float %b) #0 { - %val = call float @llvm.maxnum.f32(float %a, float %b) +; 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(float addrspace(1)* %out, float %a, float %b) #0 { + %val = call float @llvm.maxnum.f32(float %a, float %b) #1 store float %val, float 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 @@ -158,38 +170,34 @@ define amdgpu_kernel void @constant_fold_fmax_f32_n0_n0(float addrspace(1)* %out ret void } -; GCN-LABEL: {{^}}fmax_var_immediate_f32: +; GCN-LABEL: {{^}}fmax_var_immediate_f32_no_ieee: ; GCN: v_max_f32_e64 {{v[0-9]+}}, {{s[0-9]+}}, 2.0 -define amdgpu_kernel void @fmax_var_immediate_f32(float addrspace(1)* %out, float %a) #0 { - %val = call float @llvm.maxnum.f32(float %a, float 2.0) - store float %val, float addrspace(1)* %out, align 4 - ret void +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: +; GCN-LABEL: {{^}}fmax_immediate_var_f32_no_ieee: ; GCN: v_max_f32_e64 {{v[0-9]+}}, {{s[0-9]+}}, 2.0 -define amdgpu_kernel void @fmax_immediate_var_f32(float addrspace(1)* %out, float %a) #0 { - %val = call float @llvm.maxnum.f32(float 2.0, float %a) - store float %val, float addrspace(1)* %out, align 4 - ret void +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: +; 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_kernel void @fmax_var_literal_f32(float addrspace(1)* %out, float %a) #0 { - %val = call float @llvm.maxnum.f32(float %a, float 99.0) - store float %val, float addrspace(1)* %out, align 4 - ret void +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: +; 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_kernel void @fmax_literal_var_f32(float addrspace(1)* %out, float %a) #0 { - %val = call float @llvm.maxnum.f32(float 99.0, float %a) - store float %val, float addrspace(1)* %out, align 4 - ret void +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: |
