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llvm-project/llvm/test/CodeGen/AMDGPU/llvm.SI.sendmsg-m0.ll

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R600/SI: Fix dependency between instruction writing M0 and S_SENDMSG on VI (v2) 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
2015-02-04 01:37:52 +08:00
;RUN: llc < %s -march=amdgcn -mcpu=verde -verify-machineinstrs | FileCheck --check-prefix=SI --check-prefix=BOTH %s
;RUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs | FileCheck --check-prefix=VI --check-prefix=BOTH %s
; BOTH-LABEL: {{^}}main:
; BOTH: s_mov_b32 m0, s0
; VI-NEXT: s_nop 0
[AMDGPU][llvm-mc] Add support for sendmsg(...) syntax. Added support for sendmsg(MSG[, OP[, STREAM_ID]]) syntax in s_sendmsg and s_sendmsghalt instructions. The syntax matches the SP3 assembler/disassembler rules. That is why implicit inputs (like M0 and EXEC) are not printed to disassembly output anymore. sendmsg(...) allows only known message types and attributes, even if literals are used instead of symbolic names. However, raw literal (without "sendmsg") still can be used, and that allows for any 16-bit value. Tests updated/added. Differential Revision: http://reviews.llvm.org/D19596 llvm-svn: 268762
2016-05-07 01:48:48 +08:00
; BOTH-NEXT: sendmsg(MSG_GS_DONE, GS_OP_NOP)
R600/SI: Fix dependency between instruction writing M0 and S_SENDMSG on VI (v2) 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
2015-02-04 01:37:52 +08:00
; BOTH-NEXT: s_endpgm
AMDGPU: Add a shader calling convention This makes it possible to distinguish between mesa shaders and other kernels even in the presence of compute shaders. Patch By: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> Differential Revision: http://reviews.llvm.org/D18559 llvm-svn: 265589
2016-04-07 03:40:20 +08:00
define amdgpu_gs void @main(i32 inreg %a) #0 {
R600/SI: Fix dependency between instruction writing M0 and S_SENDMSG on VI (v2) 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
2015-02-04 01:37:52 +08:00
main_body:
call void @llvm.SI.sendmsg(i32 3, i32 %a)
ret void
}
; Function Attrs: nounwind
declare void @llvm.SI.sendmsg(i32, i32) #1
AMDGPU: Add a shader calling convention This makes it possible to distinguish between mesa shaders and other kernels even in the presence of compute shaders. Patch By: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> Differential Revision: http://reviews.llvm.org/D18559 llvm-svn: 265589
2016-04-07 03:40:20 +08:00
attributes #0 = { "unsafe-fp-math"="true" }
R600/SI: Fix dependency between instruction writing M0 and S_SENDMSG on VI (v2) 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
2015-02-04 01:37:52 +08:00
attributes #1 = { nounwind }