1; RUN: not llc -global-isel -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -global-isel-abort=2 -pass-remarks-missed="gisel.*" -verify-machineinstrs -o /dev/null 2>&1 %s | FileCheck -check-prefix=ERR %s
2
3; ERR: remark: <unknown>:0:0: cannot select: %{{[0-9]+}}:sreg_32(p5) = G_DYN_STACKALLOC %{{[0-9]+}}:vgpr(s32), 1 (in function: kernel_dynamic_stackalloc_vgpr_align4)
4; ERR-NEXT: warning: Instruction selection used fallback path for kernel_dynamic_stackalloc_vgpr_align4
5; ERR-NEXT: error: <unknown>:0:0: in function kernel_dynamic_stackalloc_vgpr_align4 void (i32 addrspace(1)*): unsupported dynamic alloca
6
7; ERR: remark: <unknown>:0:0: cannot select: %{{[0-9]+}}:sreg_32(p5) = G_DYN_STACKALLOC %{{[0-9]+}}:vgpr(s32), 1 (in function: func_dynamic_stackalloc_vgpr_align4)
8; ERR-NEXT: warning: Instruction selection used fallback path for func_dynamic_stackalloc_vgpr_align4
9; ERR-NEXT: error: <unknown>:0:0: in function func_dynamic_stackalloc_vgpr_align4 void (i32): unsupported dynamic alloca
10
11define amdgpu_kernel void @kernel_dynamic_stackalloc_vgpr_align4(i32 addrspace(1)* %ptr) {
12  %id = call i32 @llvm.amdgcn.workitem.id.x()
13  %gep = getelementptr i32, i32 addrspace(1)* %ptr, i32 %id
14  %n = load i32, i32 addrspace(1)* %gep
15  %alloca = alloca i32, i32 %n, align 4, addrspace(5)
16  store volatile i32 addrspace(5)* %alloca, i32 addrspace(5)* addrspace(1)* undef
17  ret void
18}
19
20define void @func_dynamic_stackalloc_vgpr_align4(i32 %n) {
21  %alloca = alloca i32, i32 %n, align 4, addrspace(5)
22  store volatile i32 addrspace(5)* %alloca, i32 addrspace(5)* addrspace(1)* undef
23  ret void
24}
25
26declare i32 @llvm.amdgcn.workitem.id.x() #0
27
28attributes #0 = { nounwind readnone speculatable }
29