forked from OSchip/llvm-project
119 lines
3.8 KiB
LLVM
119 lines
3.8 KiB
LLVM
; RUN: llc < %s -march=r600 -mcpu=SI -verify-machineinstrs | FileCheck %s
|
|
|
|
; In this test both the pointer and the offset operands to the
|
|
; BUFFER_LOAD instructions end up being stored in vgprs. This
|
|
; requires us to add the pointer and offset together, store the
|
|
; result in the offset operand (vaddr), and then store 0 in an
|
|
; sgpr register pair and use that for the pointer operand
|
|
; (low 64-bits of srsrc).
|
|
|
|
; CHECK-LABEL: @mubuf
|
|
|
|
; Make sure we aren't using VGPRs for the source operand of S_MOV_B64
|
|
; CHECK-NOT: S_MOV_B64 s[{{[0-9]+:[0-9]+}}], v
|
|
|
|
; Make sure we aren't using VGPR's for the srsrc operand of BUFFER_LOAD_*
|
|
; instructions
|
|
; CHECK: BUFFER_LOAD_UBYTE v{{[0-9]+}}, v[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}], 0 addr64
|
|
; CHECK: BUFFER_LOAD_UBYTE v{{[0-9]+}}, v[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}], 0 addr64
|
|
define void @mubuf(i32 addrspace(1)* %out, i8 addrspace(1)* %in) {
|
|
entry:
|
|
%0 = call i32 @llvm.r600.read.tidig.x() #1
|
|
%1 = call i32 @llvm.r600.read.tidig.y() #1
|
|
%2 = sext i32 %0 to i64
|
|
%3 = sext i32 %1 to i64
|
|
br label %loop
|
|
|
|
loop:
|
|
%4 = phi i64 [0, %entry], [%5, %loop]
|
|
%5 = add i64 %2, %4
|
|
%6 = getelementptr i8 addrspace(1)* %in, i64 %5
|
|
%7 = load i8 addrspace(1)* %6, align 1
|
|
%8 = or i64 %5, 1
|
|
%9 = getelementptr i8 addrspace(1)* %in, i64 %8
|
|
%10 = load i8 addrspace(1)* %9, align 1
|
|
%11 = add i8 %7, %10
|
|
%12 = sext i8 %11 to i32
|
|
store i32 %12, i32 addrspace(1)* %out
|
|
%13 = icmp slt i64 %5, 10
|
|
br i1 %13, label %loop, label %done
|
|
|
|
done:
|
|
ret void
|
|
}
|
|
|
|
declare i32 @llvm.r600.read.tidig.x() #1
|
|
declare i32 @llvm.r600.read.tidig.y() #1
|
|
|
|
attributes #1 = { nounwind readnone }
|
|
|
|
; Test moving an SMRD instruction to the VALU
|
|
|
|
; CHECK-LABEL: @smrd_valu
|
|
; CHECK: BUFFER_LOAD_DWORD [[OUT:v[0-9]+]]
|
|
; CHECK: BUFFER_STORE_DWORD [[OUT]]
|
|
|
|
define void @smrd_valu(i32 addrspace(2)* addrspace(1)* %in, i32 %a, i32 addrspace(1)* %out) {
|
|
entry:
|
|
%0 = icmp ne i32 %a, 0
|
|
br i1 %0, label %if, label %else
|
|
|
|
if:
|
|
%1 = load i32 addrspace(2)* addrspace(1)* %in
|
|
br label %endif
|
|
|
|
else:
|
|
%2 = getelementptr i32 addrspace(2)* addrspace(1)* %in
|
|
%3 = load i32 addrspace(2)* addrspace(1)* %2
|
|
br label %endif
|
|
|
|
endif:
|
|
%4 = phi i32 addrspace(2)* [%1, %if], [%3, %else]
|
|
%5 = getelementptr i32 addrspace(2)* %4, i32 3000
|
|
%6 = load i32 addrspace(2)* %5
|
|
store i32 %6, i32 addrspace(1)* %out
|
|
ret void
|
|
}
|
|
|
|
; Test moving ann SMRD with an immediate offset to the VALU
|
|
|
|
; CHECK-LABEL: @smrd_valu2
|
|
; CHECK: BUFFER_LOAD_DWORD
|
|
define void @smrd_valu2(i32 addrspace(1)* %out, [8 x i32] addrspace(2)* %in) {
|
|
entry:
|
|
%0 = call i32 @llvm.r600.read.tidig.x() nounwind readnone
|
|
%1 = add i32 %0, 4
|
|
%2 = getelementptr [8 x i32] addrspace(2)* %in, i32 %0, i32 4
|
|
%3 = load i32 addrspace(2)* %2
|
|
store i32 %3, i32 addrspace(1)* %out
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: @s_load_imm_v8i32
|
|
; CHECK: BUFFER_LOAD_DWORDX4
|
|
; CHECK: BUFFER_LOAD_DWORDX4
|
|
define void @s_load_imm_v8i32(<8 x i32> addrspace(1)* %out, i32 addrspace(2)* nocapture readonly %in) {
|
|
entry:
|
|
%tmp0 = tail call i32 @llvm.r600.read.tidig.x() #1
|
|
%tmp1 = getelementptr inbounds i32 addrspace(2)* %in, i32 %tmp0
|
|
%tmp2 = bitcast i32 addrspace(2)* %tmp1 to <8 x i32> addrspace(2)*
|
|
%tmp3 = load <8 x i32> addrspace(2)* %tmp2, align 4
|
|
store <8 x i32> %tmp3, <8 x i32> addrspace(1)* %out, align 32
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: @s_load_imm_v16i32
|
|
; CHECK: BUFFER_LOAD_DWORDX4
|
|
; CHECK: BUFFER_LOAD_DWORDX4
|
|
; CHECK: BUFFER_LOAD_DWORDX4
|
|
; CHECK: BUFFER_LOAD_DWORDX4
|
|
define void @s_load_imm_v16i32(<16 x i32> addrspace(1)* %out, i32 addrspace(2)* nocapture readonly %in) {
|
|
entry:
|
|
%tmp0 = tail call i32 @llvm.r600.read.tidig.x() #1
|
|
%tmp1 = getelementptr inbounds i32 addrspace(2)* %in, i32 %tmp0
|
|
%tmp2 = bitcast i32 addrspace(2)* %tmp1 to <16 x i32> addrspace(2)*
|
|
%tmp3 = load <16 x i32> addrspace(2)* %tmp2, align 4
|
|
store <16 x i32> %tmp3, <16 x i32> addrspace(1)* %out, align 32
|
|
ret void
|
|
}
|