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; RUN: llc -O3 -mtriple=amdgcn -verify-machineinstrs < %s | FileCheck --check-prefix=CHECK %s
; SIInsertWaitcnts should preserve waitcnt instructions coming from the user
; CHECK-LABEL: test_waitcnt_asm
; CHECK: s_waitcnt vmcnt(0)
; CHECK: s_waitcnt vmcnt(0)
; CHECK: s_waitcnt vmcnt(0)
; CHECK-NOT: s_waitcnt
; CHECK: s_endpgm
define amdgpu_kernel void @test_waitcnt_asm() {
call void asm sideeffect "s_waitcnt vmcnt(0)", ""()
call void asm sideeffect "s_waitcnt vmcnt(0)", ""()
call void asm sideeffect "s_waitcnt vmcnt(0)", ""()
ret void
}
; CHECK-LABEL: test_waitcnt_vscnt_asm
; CHECK: s_waitcnt_vscnt null, 0x0
; CHECK: s_waitcnt_vscnt null, 0x0
; CHECK: s_waitcnt_vscnt null, 0x0
; CHECK-NOT: s_waitcnt
; CHECK: s_endpgm
define amdgpu_kernel void @test_waitcnt_vscnt_asm() {
call void asm sideeffect "s_waitcnt_vscnt null, 0x0", ""()
call void asm sideeffect "s_waitcnt_vscnt null, 0x0", ""()
call void asm sideeffect "s_waitcnt_vscnt null, 0x0", ""()
ret void
}
; CHECK-LABEL: test_waitcnt_builtin
; CHECK: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; CHECK-NOT: s_waitcnt
; CHECK: s_endpgm
define amdgpu_kernel void @test_waitcnt_builtin() {
call void @llvm.amdgcn.s.waitcnt(i32 0)
call void @llvm.amdgcn.s.waitcnt(i32 0)
call void @llvm.amdgcn.s.waitcnt(i32 0)
ret void
}
; CHECK-LABEL: test_waitcnt_builtin_non_kernel
; CHECK: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; CHECK-NOT: s_waitcnt
; CHECK: s_setpc
define void @test_waitcnt_builtin_non_kernel() {
call void @llvm.amdgcn.s.waitcnt(i32 0)
call void @llvm.amdgcn.s.waitcnt(i32 0)
call void @llvm.amdgcn.s.waitcnt(i32 0)
ret void
}
declare void @llvm.amdgcn.s.waitcnt(i32)
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