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; RUN: not llc -mtriple=amdgcn -mcpu=gfx908 -verify-machineinstrs -o - %s 2>%t.err | FileCheck -implicit-check-not=error %s
; RUN: FileCheck -check-prefix=ERR %s < %t.err
; This testcase would fail on an "illegal eviction". If the assert was
; relaxed to allow equivalent cascade numbers, it would infinite loop.
; ERR: error: inline assembly requires more registers than available
%asm.output = type { <16 x i32>, <8 x i32>, <5 x i32>, <4 x i32>, <16 x i32> }
; CHECK-LABEL: {{^}}illegal_eviction_assert:
; CHECK: ; def v[4:19] v[20:27] v[0:4] v[0:3] a[0:15]
; CHECK: ; clobber
; CHECK: ; use v[4:19] v[20:27] v[0:4] v[0:3] a[1:16]
define void @illegal_eviction_assert(ptr addrspace(1) %arg) #0 {
;%agpr0 = call i32 asm sideeffect "; def $0","=${a0}"()
%asm = call %asm.output asm sideeffect "; def $0 $1 $2 $3 $4","=v,=v,=v,=v,={a[0:15]}"()
%vgpr0 = extractvalue %asm.output %asm, 0
%vgpr1 = extractvalue %asm.output %asm, 1
%vgpr2 = extractvalue %asm.output %asm, 2
%vgpr3 = extractvalue %asm.output %asm, 3
%agpr0 = extractvalue %asm.output %asm, 4
call void asm sideeffect "; clobber", "~{v[0:31]}"()
call void asm sideeffect "; use $0 $1 $2 $3 $4","v,v,v,v,{a[1:16]}"(<16 x i32> %vgpr0, <8 x i32> %vgpr1, <5 x i32> %vgpr2, <4 x i32> %vgpr3, <16 x i32> %agpr0)
ret void
}
attributes #0 = { "amdgpu-waves-per-eu"="8,8" }
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