llvm/test/CodeGen/R600/infinite-loop.ll
Matt Arsenault 69bc4ddf10 R600/SI: Fix assertion on infinite loops.
This isn't the most useful case to fix in the real world,
but bugpoint runs into this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201177 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-11 21:12:38 +00:00

18 lines
496 B
LLVM

; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
; SI-LABEL: @infinite_loop:
; SI: V_MOV_B32_e32 [[REG:v[0-9]+]], 999
; SI: BB0_1:
; SI: BUFFER_STORE_DWORD [[REG]]
; SI: S_WAITCNT vmcnt(0) expcnt(0)
; SI: S_BRANCH BB0_1
define void @infinite_loop(i32 addrspace(1)* %out) {
entry:
br label %for.body
for.body: ; preds = %entry, %for.body
store i32 999, i32 addrspace(1)* %out, align 4
br label %for.body
}