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llvm-mirror/test/CodeGen/R600/add.ll
Tom Stellard 342e72a308 R600/SI: Add a stub GCNTargetMachine
This is equivalent to the AMDGPUTargetMachine now, but it is the
starting point for separating R600 and GCN functionality into separate
targets.

It is recommened that users start using the gcn triple for GCN-based
GPUs, because using the r600 triple for these GPUs will be deprecated in
the future.

llvm-svn: 225277
2015-01-06 18:00:21 +00:00

166 lines
4.8 KiB
LLVM

; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck --check-prefix=EG-CHECK --check-prefix=FUNC %s
; RUN: llc < %s -march=amdgcn -mcpu=verde -verify-machineinstrs | FileCheck --check-prefix=SI-CHECK --check-prefix=FUNC %s
;FUNC-LABEL: {{^}}test1:
;EG-CHECK: ADD_INT {{[* ]*}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
;SI-CHECK: v_add_i32_e32 [[REG:v[0-9]+]], {{v[0-9]+, v[0-9]+}}
;SI-CHECK-NOT: [[REG]]
;SI-CHECK: buffer_store_dword [[REG]],
define void @test1(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
%b_ptr = getelementptr i32 addrspace(1)* %in, i32 1
%a = load i32 addrspace(1)* %in
%b = load i32 addrspace(1)* %b_ptr
%result = add i32 %a, %b
store i32 %result, i32 addrspace(1)* %out
ret void
}
;FUNC-LABEL: {{^}}test2:
;EG-CHECK: ADD_INT {{[* ]*}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
;EG-CHECK: ADD_INT {{[* ]*}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
;SI-CHECK: v_add_i32_e32 v{{[0-9]+, v[0-9]+, v[0-9]+}}
;SI-CHECK: v_add_i32_e32 v{{[0-9]+, v[0-9]+, v[0-9]+}}
define void @test2(<2 x i32> addrspace(1)* %out, <2 x i32> addrspace(1)* %in) {
%b_ptr = getelementptr <2 x i32> addrspace(1)* %in, i32 1
%a = load <2 x i32> addrspace(1)* %in
%b = load <2 x i32> addrspace(1)* %b_ptr
%result = add <2 x i32> %a, %b
store <2 x i32> %result, <2 x i32> addrspace(1)* %out
ret void
}
;FUNC-LABEL: {{^}}test4:
;EG-CHECK: ADD_INT {{[* ]*}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
;EG-CHECK: ADD_INT {{[* ]*}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
;EG-CHECK: ADD_INT {{[* ]*}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
;EG-CHECK: ADD_INT {{[* ]*}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
;SI-CHECK: v_add_i32_e32 v{{[0-9]+, v[0-9]+, v[0-9]+}}
;SI-CHECK: v_add_i32_e32 v{{[0-9]+, v[0-9]+, v[0-9]+}}
;SI-CHECK: v_add_i32_e32 v{{[0-9]+, v[0-9]+, v[0-9]+}}
;SI-CHECK: v_add_i32_e32 v{{[0-9]+, v[0-9]+, v[0-9]+}}
define void @test4(<4 x i32> addrspace(1)* %out, <4 x i32> addrspace(1)* %in) {
%b_ptr = getelementptr <4 x i32> addrspace(1)* %in, i32 1
%a = load <4 x i32> addrspace(1)* %in
%b = load <4 x i32> addrspace(1)* %b_ptr
%result = add <4 x i32> %a, %b
store <4 x i32> %result, <4 x i32> addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}test8:
; EG-CHECK: ADD_INT
; EG-CHECK: ADD_INT
; EG-CHECK: ADD_INT
; EG-CHECK: ADD_INT
; EG-CHECK: ADD_INT
; EG-CHECK: ADD_INT
; EG-CHECK: ADD_INT
; EG-CHECK: ADD_INT
; SI-CHECK: s_add_i32
; SI-CHECK: s_add_i32
; SI-CHECK: s_add_i32
; SI-CHECK: s_add_i32
; SI-CHECK: s_add_i32
; SI-CHECK: s_add_i32
; SI-CHECK: s_add_i32
; SI-CHECK: s_add_i32
define void @test8(<8 x i32> addrspace(1)* %out, <8 x i32> %a, <8 x i32> %b) {
entry:
%0 = add <8 x i32> %a, %b
store <8 x i32> %0, <8 x i32> addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}test16:
; EG-CHECK: ADD_INT
; EG-CHECK: ADD_INT
; EG-CHECK: ADD_INT
; EG-CHECK: ADD_INT
; EG-CHECK: ADD_INT
; EG-CHECK: ADD_INT
; EG-CHECK: ADD_INT
; EG-CHECK: ADD_INT
; EG-CHECK: ADD_INT
; EG-CHECK: ADD_INT
; EG-CHECK: ADD_INT
; EG-CHECK: ADD_INT
; EG-CHECK: ADD_INT
; EG-CHECK: ADD_INT
; EG-CHECK: ADD_INT
; EG-CHECK: ADD_INT
; SI-CHECK: s_add_i32
; SI-CHECK: s_add_i32
; SI-CHECK: s_add_i32
; SI-CHECK: s_add_i32
; SI-CHECK: s_add_i32
; SI-CHECK: s_add_i32
; SI-CHECK: s_add_i32
; SI-CHECK: s_add_i32
; SI-CHECK: s_add_i32
; SI-CHECK: s_add_i32
; SI-CHECK: s_add_i32
; SI-CHECK: s_add_i32
; SI-CHECK: s_add_i32
; SI-CHECK: s_add_i32
; SI-CHECK: s_add_i32
; SI-CHECK: s_add_i32
define void @test16(<16 x i32> addrspace(1)* %out, <16 x i32> %a, <16 x i32> %b) {
entry:
%0 = add <16 x i32> %a, %b
store <16 x i32> %0, <16 x i32> addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}add64:
; SI-CHECK: s_add_u32
; SI-CHECK: s_addc_u32
define void @add64(i64 addrspace(1)* %out, i64 %a, i64 %b) {
entry:
%0 = add i64 %a, %b
store i64 %0, i64 addrspace(1)* %out
ret void
}
; The v_addc_u32 and v_add_i32 instruction can't read SGPRs, because they
; use VCC. The test is designed so that %a will be stored in an SGPR and
; %0 will be stored in a VGPR, so the comiler will be forced to copy %a
; to a VGPR before doing the add.
; FUNC-LABEL: {{^}}add64_sgpr_vgpr:
; SI-CHECK-NOT: v_addc_u32_e32 s
define void @add64_sgpr_vgpr(i64 addrspace(1)* %out, i64 %a, i64 addrspace(1)* %in) {
entry:
%0 = load i64 addrspace(1)* %in
%1 = add i64 %a, %0
store i64 %1, i64 addrspace(1)* %out
ret void
}
; Test i64 add inside a branch.
; FUNC-LABEL: {{^}}add64_in_branch:
; SI-CHECK: s_add_u32
; SI-CHECK: s_addc_u32
define void @add64_in_branch(i64 addrspace(1)* %out, i64 addrspace(1)* %in, i64 %a, i64 %b, i64 %c) {
entry:
%0 = icmp eq i64 %a, 0
br i1 %0, label %if, label %else
if:
%1 = load i64 addrspace(1)* %in
br label %endif
else:
%2 = add i64 %a, %b
br label %endif
endif:
%3 = phi i64 [%1, %if], [%2, %else]
store i64 %3, i64 addrspace(1)* %out
ret void
}