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
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 (ptr addrspace(1)): unsupported dynamic alloca
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
11 define amdgpu_kernel void @kernel_dynamic_stackalloc_vgpr_align4(ptr addrspace(1) %ptr) {
12 %id = call i32 @llvm.amdgcn.workitem.id.x()
13 %gep = getelementptr i32, ptr addrspace(1) %ptr, i32 %id
14 %n = load i32, ptr addrspace(1) %gep
15 %alloca = alloca i32, i32 %n, align 4, addrspace(5)
16 store volatile ptr addrspace(5) %alloca, ptr addrspace(1) undef
20 define void @func_dynamic_stackalloc_vgpr_align4(i32 %n) {
21 %alloca = alloca i32, i32 %n, align 4, addrspace(5)
22 store volatile ptr addrspace(5) %alloca, ptr addrspace(1) undef
26 declare i32 @llvm.amdgcn.workitem.id.x() #0
28 attributes #0 = { nounwind readnone speculatable }