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