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Test for specific output in lit test

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241200 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matthias Braun
2015-07-01 22:34:59 +00:00
parent 739ded16a5
commit 3c76e5f588
1 changed files with 18 additions and 1 deletions
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19
test/CodeGen/AMDGPU/subreg-coalescer-undef-use.ll
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@@ -1,8 +1,25 @@
; RUN: llc -march=amdgcn -mcpu=SI -o /dev/null %s ; 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 ; 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. ; register coalescer because it is hidden with subregister insert/extract.
target triple="amdgcn--" 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 { define void @foobar(float %a0, float %a1, float addrspace(1)* %out) nounwind {
entry: entry:
%v0 = insertelement <4 x float> undef, float %a0, i32 0 %v0 = insertelement <4 x float> undef, float %a0, i32 0