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; RUN: sed 's/CODE_OBJECT_VERSION/400/g' %s | llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -o - | FileCheck -check-prefix=GCN %s
; RUN: sed 's/CODE_OBJECT_VERSION/500/g' %s | llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -o - | FileCheck -check-prefix=GCN-V5 %s
; Make sure there's no assertion when trying to report the resource
; usage for a function which becomes dead during codegen.
@gv.fptr0 = external hidden unnamed_addr addrspace(4) constant ptr, align 4
; GCN-LABEL: unreachable:
; Function info:
; codeLenInByte = 4
define internal fastcc void @unreachable() {
%fptr = load ptr, ptr addrspace(4) @gv.fptr0
call void %fptr()
unreachable
}
; GCN-LABEL: entry:
; GCN-NOT: s_swappc_b64
; GCN: s_endpgm
; GCN: .amdhsa_private_segment_fixed_size 0
; GCN-NOT: .amdhsa_uses_dynamic_stack 0
; GCN-V5: .amdhsa_uses_dynamic_stack 0
define amdgpu_kernel void @entry() {
bb0:
br i1 false, label %bb1, label %bb2
bb1:
tail call fastcc void @unreachable()
unreachable
bb2:
ret void
}
!llvm.module.flags = !{!0}
!0 = !{i32 1, !"amdgpu_code_object_version", i32 CODE_OBJECT_VERSION}
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