llvm-6502/test/CodeGen/R600/local-memory-two-objects.ll
Matt Arsenault bec5c611e1 R600/SI: Print more immediates in hex format
Print in decimal for inline immediates, and hex otherwise. Use hex
always for offsets in addressing offsets.

This approximately matches what the shader compiler does.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206335 91177308-0d34-0410-b5e6-96231b3b80d8
2014-04-15 22:32:49 +00:00

60 lines
2.6 KiB
LLVM

; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck --check-prefix=EG-CHECK %s
; RUN: llc < %s -march=r600 -mcpu=verde -verify-machineinstrs | FileCheck --check-prefix=SI-CHECK %s
@local_memory_two_objects.local_mem0 = internal addrspace(3) unnamed_addr global [4 x i32] zeroinitializer, align 4
@local_memory_two_objects.local_mem1 = internal addrspace(3) unnamed_addr global [4 x i32] zeroinitializer, align 4
; EG-CHECK: @local_memory_two_objects
; Check that the LDS size emitted correctly
; EG-CHECK: .long 166120
; EG-CHECK-NEXT: .long 8
; SI-CHECK: .long 47180
; SI-CHECK-NEXT: .long 32768
; We would like to check the the lds writes are using different
; addresses, but due to variations in the scheduler, we can't do
; this consistently on evergreen GPUs.
; EG-CHECK: LDS_WRITE
; EG-CHECK: LDS_WRITE
; SI-CHECK: DS_WRITE_B32 {{v[0-9]*}}, v[[ADDRW:[0-9]*]]
; SI-CHECK-NOT: DS_WRITE_B32 {{v[0-9]*}}, v[[ADDRW]]
; GROUP_BARRIER must be the last instruction in a clause
; EG-CHECK: GROUP_BARRIER
; EG-CHECK-NEXT: ALU clause
; Make sure the lds reads are using different addresses, at different
; constant offsets.
; EG-CHECK: LDS_READ_RET {{[*]*}} OQAP, {{PV|T}}[[ADDRR:[0-9]*\.[XYZW]]]
; EG-CHECK-NOT: LDS_READ_RET {{[*]*}} OQAP, T[[ADDRR]]
; SI-CHECK: DS_READ_B32 {{v[0-9]+}}, [[ADDRR:v[0-9]+]], 0x10
; SI-CHECK: DS_READ_B32 {{v[0-9]+}}, [[ADDRR]], 0x0,
define void @local_memory_two_objects(i32 addrspace(1)* %out) {
entry:
%x.i = call i32 @llvm.r600.read.tidig.x() #0
%arrayidx = getelementptr inbounds [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem0, i32 0, i32 %x.i
store i32 %x.i, i32 addrspace(3)* %arrayidx, align 4
%mul = shl nsw i32 %x.i, 1
%arrayidx1 = getelementptr inbounds [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem1, i32 0, i32 %x.i
store i32 %mul, i32 addrspace(3)* %arrayidx1, align 4
%sub = sub nsw i32 3, %x.i
call void @llvm.AMDGPU.barrier.local()
%arrayidx2 = getelementptr inbounds [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem0, i32 0, i32 %sub
%0 = load i32 addrspace(3)* %arrayidx2, align 4
%arrayidx3 = getelementptr inbounds i32 addrspace(1)* %out, i32 %x.i
store i32 %0, i32 addrspace(1)* %arrayidx3, align 4
%arrayidx4 = getelementptr inbounds [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem1, i32 0, i32 %sub
%1 = load i32 addrspace(3)* %arrayidx4, align 4
%add = add nsw i32 %x.i, 4
%arrayidx5 = getelementptr inbounds i32 addrspace(1)* %out, i32 %add
store i32 %1, i32 addrspace(1)* %arrayidx5, align 4
ret void
}
declare i32 @llvm.r600.read.tidig.x() #0
declare void @llvm.AMDGPU.barrier.local()
attributes #0 = { readnone }