mirror of
https://github.com/RPCSX/llvm.git
synced 2024-11-24 12:19:53 +00:00
3c76e5f588
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241200 91177308-0d34-0410-b5e6-96231b3b80d8
38 lines
1.2 KiB
LLVM
38 lines
1.2 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=SI -o - %s | FileCheck %s
|
|
; Don't crash when the use of an undefined value is only detected by the
|
|
; register coalescer because it is hidden with subregister insert/extract.
|
|
target triple="amdgcn--"
|
|
|
|
; CHECK-LABEL: foobar:
|
|
; CHECK: s_load_dword s2, s[0:1], 0x9
|
|
; CHECK-NEXT: s_load_dwordx2 s[4:5], s[0:1], 0xb
|
|
; CHECK-NEXT: s_waitcnt lgkmcnt(0)
|
|
; CHECK-NEXT: v_mov_b32_e32 v0, s2
|
|
; CHECK-NEXT: s_and_saveexec_b64 s[2:3], s[0:1]
|
|
; CHECK-NEXT: s_xor_b64 s[2:3], exec, s[2:3]
|
|
; BB0_1:
|
|
; CHECK: s_load_dword s6, s[0:1], 0xa
|
|
; CHECK-NEXT: s_waitcnt lgkmcnt(0)
|
|
; CHECK-NEXT: v_mov_b32_e32 v0, s6
|
|
; BB0_2:
|
|
; CHECK: s_or_b64 exec, exec, s[2:3]
|
|
; CHECK-NEXT: s_mov_b32 s7, 0xf000
|
|
; CHECK-NEXT: s_mov_b32 s6, -1
|
|
; CHECK-NEXT: buffer_store_dword v1, s[4:7], 0
|
|
; CHECK-NEXT: s_endpgm
|
|
define void @foobar(float %a0, float %a1, float addrspace(1)* %out) nounwind {
|
|
entry:
|
|
%v0 = insertelement <4 x float> undef, float %a0, i32 0
|
|
br i1 undef, label %ift, label %ife
|
|
|
|
ift:
|
|
%v1 = insertelement <4 x float> undef, float %a1, i32 0
|
|
br label %ife
|
|
|
|
ife:
|
|
%val = phi <4 x float> [ %v1, %ift ], [ %v0, %entry ]
|
|
%v2 = extractelement <4 x float> %val, i32 1
|
|
store float %v2, float addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|