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08103dc7bd
This fixes a hang when using an empty geometry shader.
v2: - don't add s_nop when followed by s_waitcnt
- comestic changes
Tested-by: Michel Dänzer <michel.daenzer@amd.com>
llvm-svn: 227986
21 lines
628 B
LLVM
21 lines
628 B
LLVM
;RUN: llc < %s -march=amdgcn -mcpu=verde -verify-machineinstrs | FileCheck --check-prefix=SI --check-prefix=BOTH %s
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;RUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs | FileCheck --check-prefix=VI --check-prefix=BOTH %s
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; BOTH-LABEL: {{^}}main:
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; BOTH: s_mov_b32 m0, s0
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; VI-NEXT: s_nop 0
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; BOTH-NEXT: s_sendmsg Gs_done(nop)
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; BOTH-NEXT: s_endpgm
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define void @main(i32 inreg %a) #0 {
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main_body:
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call void @llvm.SI.sendmsg(i32 3, i32 %a)
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ret void
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}
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; Function Attrs: nounwind
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declare void @llvm.SI.sendmsg(i32, i32) #1
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attributes #0 = { "ShaderType"="2" "unsafe-fp-math"="true" }
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attributes #1 = { nounwind }
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