diff options
Diffstat (limited to 'test/CodeGen/AMDGPU/v_mac.ll')
| -rw-r--r-- | test/CodeGen/AMDGPU/v_mac.ll | 99 |
1 files changed, 80 insertions, 19 deletions
diff --git a/test/CodeGen/AMDGPU/v_mac.ll b/test/CodeGen/AMDGPU/v_mac.ll index a4eaec3403c96..027c63817903e 100644 --- a/test/CodeGen/AMDGPU/v_mac.ll +++ b/test/CodeGen/AMDGPU/v_mac.ll @@ -2,19 +2,19 @@ ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=VI -check-prefix=GCN %s ; GCN-LABEL: {{^}}mac_vvv: -; GCN: buffer_load_dword [[A:v[0-9]+]], s[{{[0-9]+:[0-9]+}}], 0{{$}} -; GCN: buffer_load_dword [[B:v[0-9]+]], s[{{[0-9]+:[0-9]+}}], 0 offset:4 -; GCN: buffer_load_dword [[C:v[0-9]+]], s[{{[0-9]+:[0-9]+}}], 0 offset:8 +; GCN: buffer_load_dword [[A:v[0-9]+]], off, s[{{[0-9]+:[0-9]+}}], 0{{$}} +; GCN: buffer_load_dword [[B:v[0-9]+]], off, s[{{[0-9]+:[0-9]+}}], 0 offset:4 +; GCN: buffer_load_dword [[C:v[0-9]+]], off, s[{{[0-9]+:[0-9]+}}], 0 offset:8 ; GCN: v_mac_f32_e32 [[C]], [[B]], [[A]] ; GCN: buffer_store_dword [[C]] -define void @mac_vvv(float addrspace(1)* %out, float addrspace(1)* %in) { +define void @mac_vvv(float addrspace(1)* %out, float addrspace(1)* %in) #0 { entry: %b_ptr = getelementptr float, float addrspace(1)* %in, i32 1 %c_ptr = getelementptr float, float addrspace(1)* %in, i32 2 - %a = load float, float addrspace(1)* %in - %b = load float, float addrspace(1)* %b_ptr - %c = load float, float addrspace(1)* %c_ptr + %a = load volatile float, float addrspace(1)* %in + %b = load volatile float, float addrspace(1)* %b_ptr + %c = load volatile float, float addrspace(1)* %c_ptr %tmp0 = fmul float %a, %b %tmp1 = fadd float %tmp0, %c @@ -24,8 +24,8 @@ entry: ; GCN-LABEL: {{^}}mad_inline_sgpr_inline: ; GCN-NOT: v_mac_f32 -; GCN: v_mad_f32 v{{[0-9]}}, 0.5, s{{[0-9]+}}, 0.5 -define void @mad_inline_sgpr_inline(float addrspace(1)* %out, float %in) { +; GCN: v_mad_f32 v{{[0-9]}}, s{{[0-9]+}}, 0.5, 0.5 +define void @mad_inline_sgpr_inline(float addrspace(1)* %out, float %in) #0 { entry: %tmp0 = fmul float 0.5, %in %tmp1 = fadd float %tmp0, 0.5 @@ -36,7 +36,7 @@ entry: ; GCN-LABEL: {{^}}mad_vvs: ; GCN-NOT: v_mac_f32 ; GCN: v_mad_f32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}, s{{[0-9]+}} -define void @mad_vvs(float addrspace(1)* %out, float addrspace(1)* %in, float %c) { +define void @mad_vvs(float addrspace(1)* %out, float addrspace(1)* %in, float %c) #0 { entry: %b_ptr = getelementptr float, float addrspace(1)* %in, i32 1 @@ -51,7 +51,7 @@ entry: ; GCN-LABEL: {{^}}mac_ssv: ; GCN: v_mac_f32_e64 v{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}} -define void @mac_ssv(float addrspace(1)* %out, float addrspace(1)* %in, float %a) { +define void @mac_ssv(float addrspace(1)* %out, float addrspace(1)* %in, float %a) #0 { entry: %c = load float, float addrspace(1)* %in @@ -64,18 +64,18 @@ entry: ; GCN-LABEL: {{^}}mac_mad_same_add: ; GCN: v_mad_f32 v{{[0-9]}}, v{{[0-9]+}}, v{{[0-9]+}}, [[ADD:v[0-9]+]] ; GCN: v_mac_f32_e32 [[ADD]], v{{[0-9]+}}, v{{[0-9]+}} -define void @mac_mad_same_add(float addrspace(1)* %out, float addrspace(1)* %in) { +define void @mac_mad_same_add(float addrspace(1)* %out, float addrspace(1)* %in) #0 { entry: %b_ptr = getelementptr float, float addrspace(1)* %in, i32 1 %c_ptr = getelementptr float, float addrspace(1)* %in, i32 2 %d_ptr = getelementptr float, float addrspace(1)* %in, i32 3 %e_ptr = getelementptr float, float addrspace(1)* %in, i32 4 - %a = load float, float addrspace(1)* %in - %b = load float, float addrspace(1)* %b_ptr - %c = load float, float addrspace(1)* %c_ptr - %d = load float, float addrspace(1)* %d_ptr - %e = load float, float addrspace(1)* %e_ptr + %a = load volatile float, float addrspace(1)* %in + %b = load volatile float, float addrspace(1)* %b_ptr + %c = load volatile float, float addrspace(1)* %c_ptr + %d = load volatile float, float addrspace(1)* %d_ptr + %e = load volatile float, float addrspace(1)* %e_ptr %tmp0 = fmul float %a, %b %tmp1 = fadd float %tmp0, %c @@ -104,6 +104,46 @@ entry: %b = load float, float addrspace(1)* %b_ptr %c = load float, float addrspace(1)* %c_ptr + %neg_a = fsub float -0.0, %a + %tmp0 = fmul float %neg_a, %b + %tmp1 = fadd float %tmp0, %c + + store float %tmp1, float addrspace(1)* %out + ret void +} + +; GCN-LABEL: {{^}}unsafe_mad_sub0_src0: +; GCN-NOT: v_mac_f32 +; GCN: v_mad_f32 v{{[0-9]+}}, -v{{[0-9]+}}, v{{[0-9]+}}, v{{[-0-9]}} +define void @unsafe_mad_sub0_src0(float addrspace(1)* %out, float addrspace(1)* %in) #1 { +entry: + %b_ptr = getelementptr float, float addrspace(1)* %in, i32 1 + %c_ptr = getelementptr float, float addrspace(1)* %in, i32 2 + + %a = load float, float addrspace(1)* %in + %b = load float, float addrspace(1)* %b_ptr + %c = load float, float addrspace(1)* %c_ptr + + %neg_a = fsub float 0.0, %a + %tmp0 = fmul float %neg_a, %b + %tmp1 = fadd float %tmp0, %c + + store float %tmp1, float addrspace(1)* %out + ret void +} + +; GCN-LABEL: {{^}}safe_mad_sub0_src0: +; GCN: v_sub_f32_e32 [[SUB0:v[0-9]+]], 0, +; GCN: v_mac_f32_e32 v{{[0-9]+}}, v{{[0-9]+}}, [[SUB0]] +define void @safe_mad_sub0_src0(float addrspace(1)* %out, float addrspace(1)* %in) #0 { +entry: + %b_ptr = getelementptr float, float addrspace(1)* %in, i32 1 + %c_ptr = getelementptr float, float addrspace(1)* %in, i32 2 + + %a = load float, float addrspace(1)* %in + %b = load float, float addrspace(1)* %b_ptr + %c = load float, float addrspace(1)* %c_ptr + %neg_a = fsub float 0.0, %a %tmp0 = fmul float %neg_a, %b %tmp1 = fadd float %tmp0, %c @@ -124,6 +164,26 @@ entry: %b = load float, float addrspace(1)* %b_ptr %c = load float, float addrspace(1)* %c_ptr + %neg_b = fsub float -0.0, %b + %tmp0 = fmul float %a, %neg_b + %tmp1 = fadd float %tmp0, %c + + store float %tmp1, float addrspace(1)* %out + ret void +} + +; GCN-LABEL: {{^}}unsafe_mad_sub0_src1: +; GCN-NOT: v_mac_f32 +; GCN: v_mad_f32 v{{[0-9]+}}, -v{{[0-9]+}}, v{{[0-9]+}}, v{{[-0-9]}} +define void @unsafe_mad_sub0_src1(float addrspace(1)* %out, float addrspace(1)* %in) #1 { +entry: + %b_ptr = getelementptr float, float addrspace(1)* %in, i32 1 + %c_ptr = getelementptr float, float addrspace(1)* %in, i32 2 + + %a = load float, float addrspace(1)* %in + %b = load float, float addrspace(1)* %b_ptr + %c = load float, float addrspace(1)* %c_ptr + %neg_b = fsub float 0.0, %b %tmp0 = fmul float %a, %neg_b %tmp1 = fadd float %tmp0, %c @@ -144,7 +204,7 @@ entry: %b = load float, float addrspace(1)* %b_ptr %c = load float, float addrspace(1)* %c_ptr - %neg_c = fsub float 0.0, %c + %neg_c = fsub float -0.0, %c %tmp0 = fmul float %a, %b %tmp1 = fadd float %tmp0, %neg_c @@ -152,4 +212,5 @@ entry: ret void } -attributes #0 = { "true" "unsafe-fp-math"="true" } +attributes #0 = { nounwind "unsafe-fp-math"="false" } +attributes #1 = { nounwind "unsafe-fp-math"="true" } |