1 ; RUN: not llc -march=amdgcn -mcpu=gfx908 -verify-machineinstrs -o - %s 2>%t.err | FileCheck %s
2 ; RUN: FileCheck -check-prefix=ERR %s < %t.err
4 ; This testcase would fail on an "illegal eviction". If the assert was
5 ; relaxed to allow equivalent cascade numbers, it would infinite loop.
7 ; ERR: error: inline assembly requires more registers than available
8 ; ERR: error: inline assembly requires more registers than available
10 %asm.output = type { <16 x i32>, <8 x i32>, <5 x i32>, <4 x i32>, <16 x i32> }
12 ; CHECK-LABEL: {{^}}illegal_eviction_assert:
13 ; CHECK: ; def v[4:19] v[20:27] v[0:4] v[0:3] a[0:15]
15 ; CHECK: ; use v[4:19] v[20:27] v[0:4] v[0:3] a[1:16]
16 define void @illegal_eviction_assert(<32 x i32> addrspace(1)* %arg) #0 {
17 ;%agpr0 = call i32 asm sideeffect "; def $0","=${a0}"()
18 %asm = call %asm.output asm sideeffect "; def $0 $1 $2 $3 $4","=v,=v,=v,=v,={a[0:15]}"()
19 %vgpr0 = extractvalue %asm.output %asm, 0
20 %vgpr1 = extractvalue %asm.output %asm, 1
21 %vgpr2 = extractvalue %asm.output %asm, 2
22 %vgpr3 = extractvalue %asm.output %asm, 3
23 %agpr0 = extractvalue %asm.output %asm, 4
24 call void asm sideeffect "; clobber", "~{v[0:31]}"()
25 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)
29 attributes #0 = { "amdgpu-waves-per-eu"="8,8" }