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93 lines
4.2 KiB
93 lines
4.2 KiB
4 months ago
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; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mcpu=tahiti -verify-machineinstrs< %s | FileCheck -check-prefixes=GCN,SI,FUNC %s
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; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mcpu=tonga -verify-machineinstrs< %s | FileCheck -check-prefixes=GCN,VI,FUNC %s
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; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mcpu=gfx900 -verify-machineinstrs< %s | FileCheck -check-prefixes=GCN,GFX9,FUNC %s
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declare { i32, i1 } @llvm.ssub.with.overflow.i32(i32, i32) nounwind readnone
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declare { i64, i1 } @llvm.ssub.with.overflow.i64(i64, i64) nounwind readnone
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declare { <2 x i32>, <2 x i1> } @llvm.ssub.with.overflow.v2i32(<2 x i32>, <2 x i32>) nounwind readnone
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; FUNC-LABEL: {{^}}ssubo_i64_zext:
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define amdgpu_kernel void @ssubo_i64_zext(i64 addrspace(1)* %out, i64 %a, i64 %b) nounwind {
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%ssub = call { i64, i1 } @llvm.ssub.with.overflow.i64(i64 %a, i64 %b) nounwind
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%val = extractvalue { i64, i1 } %ssub, 0
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%carry = extractvalue { i64, i1 } %ssub, 1
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%ext = zext i1 %carry to i64
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%add2 = add i64 %val, %ext
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store i64 %add2, i64 addrspace(1)* %out, align 8
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ret void
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}
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; FUNC-LABEL: {{^}}s_ssubo_i32:
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define amdgpu_kernel void @s_ssubo_i32(i32 addrspace(1)* %out, i1 addrspace(1)* %carryout, i32 %a, i32 %b) nounwind {
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%ssub = call { i32, i1 } @llvm.ssub.with.overflow.i32(i32 %a, i32 %b) nounwind
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%val = extractvalue { i32, i1 } %ssub, 0
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%carry = extractvalue { i32, i1 } %ssub, 1
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store i32 %val, i32 addrspace(1)* %out, align 4
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store i1 %carry, i1 addrspace(1)* %carryout
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ret void
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}
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; FUNC-LABEL: {{^}}v_ssubo_i32:
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define amdgpu_kernel void @v_ssubo_i32(i32 addrspace(1)* %out, i1 addrspace(1)* %carryout, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr) nounwind {
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%a = load i32, i32 addrspace(1)* %aptr, align 4
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%b = load i32, i32 addrspace(1)* %bptr, align 4
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%ssub = call { i32, i1 } @llvm.ssub.with.overflow.i32(i32 %a, i32 %b) nounwind
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%val = extractvalue { i32, i1 } %ssub, 0
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%carry = extractvalue { i32, i1 } %ssub, 1
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store i32 %val, i32 addrspace(1)* %out, align 4
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store i1 %carry, i1 addrspace(1)* %carryout
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ret void
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}
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; FUNC-LABEL: {{^}}s_ssubo_i64:
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; GCN: s_sub_u32
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; GCN: s_subb_u32
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define amdgpu_kernel void @s_ssubo_i64(i64 addrspace(1)* %out, i1 addrspace(1)* %carryout, i64 %a, i64 %b) nounwind {
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%ssub = call { i64, i1 } @llvm.ssub.with.overflow.i64(i64 %a, i64 %b) nounwind
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%val = extractvalue { i64, i1 } %ssub, 0
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%carry = extractvalue { i64, i1 } %ssub, 1
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store i64 %val, i64 addrspace(1)* %out, align 8
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store i1 %carry, i1 addrspace(1)* %carryout
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ret void
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}
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; FUNC-LABEL: {{^}}v_ssubo_i64:
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; SI: v_sub_i32_e32 v{{[0-9]+}}, vcc,
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; SI: v_subb_u32_e32 v{{[0-9]+}}, vcc,
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; VI: v_sub_u32_e32 v{{[0-9]+}}, vcc,
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; VI: v_subb_u32_e32 v{{[0-9]+}}, vcc,
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; GFX9: v_sub_co_u32_e32 v{{[0-9]+}}, vcc,
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; GFX9: v_subb_co_u32_e32 v{{[0-9]+}}, vcc,
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define amdgpu_kernel void @v_ssubo_i64(i64 addrspace(1)* %out, i1 addrspace(1)* %carryout, i64 addrspace(1)* %aptr, i64 addrspace(1)* %bptr) nounwind {
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%a = load i64, i64 addrspace(1)* %aptr, align 4
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%b = load i64, i64 addrspace(1)* %bptr, align 4
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%ssub = call { i64, i1 } @llvm.ssub.with.overflow.i64(i64 %a, i64 %b) nounwind
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%val = extractvalue { i64, i1 } %ssub, 0
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%carry = extractvalue { i64, i1 } %ssub, 1
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store i64 %val, i64 addrspace(1)* %out, align 8
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store i1 %carry, i1 addrspace(1)* %carryout
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ret void
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}
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; FUNC-LABEL: {{^}}v_ssubo_v2i32:
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; SICIVI: v_cmp_lt_i32
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; SICIVI: v_cmp_lt_i32
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; SICIVI: v_sub_{{[iu]}}32
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; SICIVI: v_cmp_lt_i32
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; SICIVI: v_cmp_lt_i32
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; SICIVI: v_sub_{{[iu]}}32
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define amdgpu_kernel void @v_ssubo_v2i32(<2 x i32> addrspace(1)* %out, <2 x i32> addrspace(1)* %carryout, <2 x i32> addrspace(1)* %aptr, <2 x i32> addrspace(1)* %bptr) nounwind {
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%a = load <2 x i32>, <2 x i32> addrspace(1)* %aptr, align 4
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%b = load <2 x i32>, <2 x i32> addrspace(1)* %bptr, align 4
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%sadd = call { <2 x i32>, <2 x i1> } @llvm.ssub.with.overflow.v2i32(<2 x i32> %a, <2 x i32> %b) nounwind
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%val = extractvalue { <2 x i32>, <2 x i1> } %sadd, 0
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%carry = extractvalue { <2 x i32>, <2 x i1> } %sadd, 1
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store <2 x i32> %val, <2 x i32> addrspace(1)* %out, align 4
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%carry.ext = zext <2 x i1> %carry to <2 x i32>
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store <2 x i32> %carry.ext, <2 x i32> addrspace(1)* %carryout
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ret void
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}
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