forked from OSchip/llvm-project
67 lines
2.9 KiB
LLVM
67 lines
2.9 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck %s
|
|
; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=kaveri -verify-machineinstrs < %s | FileCheck %s
|
|
; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=fiji -verify-machineinstrs < %s | FileCheck %s
|
|
|
|
@lds0 = addrspace(3) global [512 x float] undef, align 4
|
|
@lds1 = addrspace(3) global [256 x float] undef, align 4
|
|
|
|
@large = addrspace(3) global [4096 x i32] undef, align 4
|
|
|
|
; CHECK-LABEL: {{^}}groupstaticsize_test0:
|
|
; CHECK: v_mov_b32_e32 v{{[0-9]+}}, 0x800{{$}}
|
|
define amdgpu_kernel void @groupstaticsize_test0(float addrspace(1)* %out, i32 addrspace(1)* %lds_size) #0 {
|
|
%tid.x = tail call i32 @llvm.amdgcn.workitem.id.x() #1
|
|
%idx.0 = add nsw i32 %tid.x, 64
|
|
%static_lds_size = call i32 @llvm.amdgcn.groupstaticsize() #1
|
|
store i32 %static_lds_size, i32 addrspace(1)* %lds_size, align 4
|
|
%arrayidx0 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds0, i32 0, i32 %idx.0
|
|
%val0 = load float, float addrspace(3)* %arrayidx0, align 4
|
|
store float %val0, float addrspace(1)* %out, align 4
|
|
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: {{^}}groupstaticsize_test1:
|
|
; CHECK: v_mov_b32_e32 v{{[0-9]+}}, 0xc00{{$}}
|
|
define amdgpu_kernel void @groupstaticsize_test1(float addrspace(1)* %out, i32 %cond, i32 addrspace(1)* %lds_size) {
|
|
entry:
|
|
%static_lds_size = call i32 @llvm.amdgcn.groupstaticsize() #1
|
|
store i32 %static_lds_size, i32 addrspace(1)* %lds_size, align 4
|
|
%tid.x = tail call i32 @llvm.amdgcn.workitem.id.x() #1
|
|
%idx.0 = add nsw i32 %tid.x, 64
|
|
%tmp = icmp eq i32 %cond, 0
|
|
br i1 %tmp, label %if, label %else
|
|
|
|
if: ; preds = %entry
|
|
%arrayidx0 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds0, i32 0, i32 %idx.0
|
|
%val0 = load float, float addrspace(3)* %arrayidx0, align 4
|
|
store float %val0, float addrspace(1)* %out, align 4
|
|
br label %endif
|
|
|
|
else: ; preds = %entry
|
|
%arrayidx1 = getelementptr inbounds [256 x float], [256 x float] addrspace(3)* @lds1, i32 0, i32 %idx.0
|
|
%val1 = load float, float addrspace(3)* %arrayidx1, align 4
|
|
store float %val1, float addrspace(1)* %out, align 4
|
|
br label %endif
|
|
|
|
endif: ; preds = %else, %if
|
|
ret void
|
|
}
|
|
|
|
; Exceeds 16-bit simm limit of s_movk_i32
|
|
; CHECK-LABEL: {{^}}large_groupstaticsize:
|
|
; CHECK: v_mov_b32_e32 [[REG:v[0-9]+]], 0x4000{{$}}
|
|
define amdgpu_kernel void @large_groupstaticsize(i32 addrspace(1)* %size, i32 %idx) #0 {
|
|
%gep = getelementptr inbounds [4096 x i32], [4096 x i32] addrspace(3)* @large, i32 0, i32 %idx
|
|
store volatile i32 0, i32 addrspace(3)* %gep
|
|
%static_lds_size = call i32 @llvm.amdgcn.groupstaticsize()
|
|
store i32 %static_lds_size, i32 addrspace(1)* %size
|
|
ret void
|
|
}
|
|
|
|
declare i32 @llvm.amdgcn.groupstaticsize() #1
|
|
declare i32 @llvm.amdgcn.workitem.id.x() #1
|
|
|
|
attributes #0 = { nounwind }
|
|
attributes #1 = { nounwind readnone }
|