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; RUN: llc -O0 -march=r600 -mcpu=bonaire -mattr=-promote-alloca < %s | FileCheck -check-prefix=CHECK -check-prefix=CHECK-NO-PROMOTE %s
; RUN: llc -O0 -march=r600 -mcpu=bonaire -mattr=+promote-alloca < %s | FileCheck -check-prefix=CHECK -check-prefix=CHECK-PROMOTE %s
; Disable optimizations in case there are optimizations added that
; specialize away generic pointer accesses.
; CHECK-LABEL: {{^}}branch_use_flat_i32:
; CHECK: flat_store_dword {{v[0-9]+}}, {{v\[[0-9]+:[0-9]+\]}}, [M0, FLAT_SCRATCH]
; CHECK: s_endpgm
define void @branch_use_flat_i32(i32 addrspace(1)* noalias %out, i32 addrspace(1)* %gptr, i32 addrspace(3)* %lptr, i32 %x, i32 %c) #0 {
entry:
%cmp = icmp ne i32 %c, 0
br i1 %cmp, label %local, label %global
local:
%flat_local = addrspacecast i32 addrspace(3)* %lptr to i32 addrspace(4)*
br label %end
global:
%flat_global = addrspacecast i32 addrspace(1)* %gptr to i32 addrspace(4)*
br label %end
end:
%fptr = phi i32 addrspace(4)* [ %flat_local, %local ], [ %flat_global, %global ]
store i32 %x, i32 addrspace(4)* %fptr, align 4
; %val = load i32 addrspace(4)* %fptr, align 4
; store i32 %val, i32 addrspace(1)* %out, align 4
ret void
}
; These testcases might become useless when there are optimizations to
; remove generic pointers.
; CHECK-LABEL: {{^}}store_flat_i32:
; CHECK: v_mov_b32_e32 v[[DATA:[0-9]+]], {{s[0-9]+}}
; CHECK: v_mov_b32_e32 v[[LO_VREG:[0-9]+]], {{s[0-9]+}}
; CHECK: v_mov_b32_e32 v[[HI_VREG:[0-9]+]], {{s[0-9]+}}
; CHECK: flat_store_dword v[[DATA]], v{{\[}}[[LO_VREG]]:[[HI_VREG]]{{\]}}
define void @store_flat_i32(i32 addrspace(1)* %gptr, i32 %x) #0 {
%fptr = addrspacecast i32 addrspace(1)* %gptr to i32 addrspace(4)*
store i32 %x, i32 addrspace(4)* %fptr, align 4
ret void
}
; CHECK-LABEL: {{^}}store_flat_i64:
; CHECK: flat_store_dwordx2
define void @store_flat_i64(i64 addrspace(1)* %gptr, i64 %x) #0 {
%fptr = addrspacecast i64 addrspace(1)* %gptr to i64 addrspace(4)*
store i64 %x, i64 addrspace(4)* %fptr, align 8
ret void
}
; CHECK-LABEL: {{^}}store_flat_v4i32:
; CHECK: flat_store_dwordx4
define void @store_flat_v4i32(<4 x i32> addrspace(1)* %gptr, <4 x i32> %x) #0 {
%fptr = addrspacecast <4 x i32> addrspace(1)* %gptr to <4 x i32> addrspace(4)*
store <4 x i32> %x, <4 x i32> addrspace(4)* %fptr, align 16
ret void
}
; CHECK-LABEL: {{^}}store_flat_trunc_i16:
; CHECK: flat_store_short
define void @store_flat_trunc_i16(i16 addrspace(1)* %gptr, i32 %x) #0 {
%fptr = addrspacecast i16 addrspace(1)* %gptr to i16 addrspace(4)*
%y = trunc i32 %x to i16
store i16 %y, i16 addrspace(4)* %fptr, align 2
ret void
}
; CHECK-LABEL: {{^}}store_flat_trunc_i8:
; CHECK: flat_store_byte
define void @store_flat_trunc_i8(i8 addrspace(1)* %gptr, i32 %x) #0 {
%fptr = addrspacecast i8 addrspace(1)* %gptr to i8 addrspace(4)*
%y = trunc i32 %x to i8
store i8 %y, i8 addrspace(4)* %fptr, align 2
ret void
}
; CHECK-LABEL @load_flat_i32:
; CHECK: flat_load_dword
define void @load_flat_i32(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %gptr) #0 {
%fptr = addrspacecast i32 addrspace(1)* %gptr to i32 addrspace(4)*
%fload = load i32 addrspace(4)* %fptr, align 4
store i32 %fload, i32 addrspace(1)* %out, align 4
ret void
}
; CHECK-LABEL @load_flat_i64:
; CHECK: flat_load_dwordx2
define void @load_flat_i64(i64 addrspace(1)* noalias %out, i64 addrspace(1)* noalias %gptr) #0 {
%fptr = addrspacecast i64 addrspace(1)* %gptr to i64 addrspace(4)*
%fload = load i64 addrspace(4)* %fptr, align 4
store i64 %fload, i64 addrspace(1)* %out, align 8
ret void
}
; CHECK-LABEL @load_flat_v4i32:
; CHECK: flat_load_dwordx4
define void @load_flat_v4i32(<4 x i32> addrspace(1)* noalias %out, <4 x i32> addrspace(1)* noalias %gptr) #0 {
%fptr = addrspacecast <4 x i32> addrspace(1)* %gptr to <4 x i32> addrspace(4)*
%fload = load <4 x i32> addrspace(4)* %fptr, align 4
store <4 x i32> %fload, <4 x i32> addrspace(1)* %out, align 8
ret void
}
; CHECK-LABEL @sextload_flat_i8:
; CHECK: flat_load_sbyte
define void @sextload_flat_i8(i32 addrspace(1)* noalias %out, i8 addrspace(1)* noalias %gptr) #0 {
%fptr = addrspacecast i8 addrspace(1)* %gptr to i8 addrspace(4)*
%fload = load i8 addrspace(4)* %fptr, align 4
%ext = sext i8 %fload to i32
store i32 %ext, i32 addrspace(1)* %out, align 4
ret void
}
; CHECK-LABEL @zextload_flat_i8:
; CHECK: flat_load_ubyte
define void @zextload_flat_i8(i32 addrspace(1)* noalias %out, i8 addrspace(1)* noalias %gptr) #0 {
%fptr = addrspacecast i8 addrspace(1)* %gptr to i8 addrspace(4)*
%fload = load i8 addrspace(4)* %fptr, align 4
%ext = zext i8 %fload to i32
store i32 %ext, i32 addrspace(1)* %out, align 4
ret void
}
; CHECK-LABEL @sextload_flat_i16:
; CHECK: flat_load_sshort
define void @sextload_flat_i16(i32 addrspace(1)* noalias %out, i16 addrspace(1)* noalias %gptr) #0 {
%fptr = addrspacecast i16 addrspace(1)* %gptr to i16 addrspace(4)*
%fload = load i16 addrspace(4)* %fptr, align 4
%ext = sext i16 %fload to i32
store i32 %ext, i32 addrspace(1)* %out, align 4
ret void
}
; CHECK-LABEL @zextload_flat_i16:
; CHECK: flat_load_ushort
define void @zextload_flat_i16(i32 addrspace(1)* noalias %out, i16 addrspace(1)* noalias %gptr) #0 {
%fptr = addrspacecast i16 addrspace(1)* %gptr to i16 addrspace(4)*
%fload = load i16 addrspace(4)* %fptr, align 4
%ext = zext i16 %fload to i32
store i32 %ext, i32 addrspace(1)* %out, align 4
ret void
}
; TODO: This should not be zero when registers are used for small
; scratch allocations again.
; Check for prologue initializing special SGPRs pointing to scratch.
; CHECK-LABEL: {{^}}store_flat_scratch:
; CHECK: s_movk_i32 flat_scratch_lo, 0
; CHECK-NO-PROMOTE: s_movk_i32 flat_scratch_hi, 0x28{{$}}
; CHECK-PROMOTE: s_movk_i32 flat_scratch_hi, 0x0{{$}}
; CHECK: flat_store_dword
; CHECK: s_barrier
; CHECK: flat_load_dword
define void @store_flat_scratch(i32 addrspace(1)* noalias %out, i32) #0 {
%alloca = alloca i32, i32 9, align 4
%x = call i32 @llvm.r600.read.tidig.x() #3
%pptr = getelementptr i32* %alloca, i32 %x
%fptr = addrspacecast i32* %pptr to i32 addrspace(4)*
store i32 %x, i32 addrspace(4)* %fptr
; Dummy call
call void @llvm.AMDGPU.barrier.local() #1
%reload = load i32 addrspace(4)* %fptr, align 4
store i32 %reload, i32 addrspace(1)* %out, align 4
ret void
}
declare void @llvm.AMDGPU.barrier.local() #1
declare i32 @llvm.r600.read.tidig.x() #3
attributes #0 = { nounwind }
attributes #1 = { nounwind noduplicate }
attributes #3 = { nounwind readnone }
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