forked from OSchip/llvm-project
parent
698310b004
commit
e21e0f1620
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@ -1,8 +1,25 @@
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; RUN: llc -march=amdgcn -mcpu=SI -o /dev/null %s
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; RUN: llc -march=amdgcn -mcpu=SI -o - %s | FileCheck %s
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; Don't crash when the use of an undefined value is only detected by the
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; Don't crash when the use of an undefined value is only detected by the
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; register coalescer because it is hidden with subregister insert/extract.
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; register coalescer because it is hidden with subregister insert/extract.
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target triple="amdgcn--"
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target triple="amdgcn--"
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; CHECK-LABEL: foobar:
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; CHECK: s_load_dword s2, s[0:1], 0x9
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; CHECK-NEXT: s_load_dwordx2 s[4:5], s[0:1], 0xb
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; CHECK-NEXT: s_waitcnt lgkmcnt(0)
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; CHECK-NEXT: v_mov_b32_e32 v0, s2
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; CHECK-NEXT: s_and_saveexec_b64 s[2:3], s[0:1]
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; CHECK-NEXT: s_xor_b64 s[2:3], exec, s[2:3]
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; BB0_1:
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; CHECK: s_load_dword s6, s[0:1], 0xa
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; CHECK-NEXT: s_waitcnt lgkmcnt(0)
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; CHECK-NEXT: v_mov_b32_e32 v0, s6
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; BB0_2:
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; CHECK: s_or_b64 exec, exec, s[2:3]
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; CHECK-NEXT: s_mov_b32 s7, 0xf000
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; CHECK-NEXT: s_mov_b32 s6, -1
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; CHECK-NEXT: buffer_store_dword v1, s[4:7], 0
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; CHECK-NEXT: s_endpgm
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define void @foobar(float %a0, float %a1, float addrspace(1)* %out) nounwind {
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define void @foobar(float %a0, float %a1, float addrspace(1)* %out) nounwind {
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entry:
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entry:
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%v0 = insertelement <4 x float> undef, float %a0, i32 0
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%v0 = insertelement <4 x float> undef, float %a0, i32 0
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