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69b2d0adeb
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
52 lines
1.4 KiB
LLVM
52 lines
1.4 KiB
LLVM
; RUN: llc < %s -march=amdgcn -mcpu=SI -verify-machineinstrs | FileCheck %s
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; RUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs | FileCheck %s
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; CHECK: {{^}}inline_asm:
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; CHECK: s_endpgm
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; CHECK: s_endpgm
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define void @inline_asm(i32 addrspace(1)* %out) {
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entry:
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store i32 5, i32 addrspace(1)* %out
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call void asm sideeffect "s_endpgm", ""()
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ret void
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}
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; CHECK: {{^}}inline_asm_shader:
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; CHECK: s_endpgm
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; CHECK: s_endpgm
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define amdgpu_ps void @inline_asm_shader() {
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entry:
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call void asm sideeffect "s_endpgm", ""()
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ret void
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}
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; CHECK: {{^}}branch_on_asm:
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; Make sure inline assembly is treted as divergent.
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; CHECK: s_mov_b32 s{{[0-9]+}}, 0
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; CHECK: s_and_saveexec_b64
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define void @branch_on_asm(i32 addrspace(1)* %out) {
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%zero = call i32 asm "s_mov_b32 $0, 0", "=s"()
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%cmp = icmp eq i32 %zero, 0
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br i1 %cmp, label %if, label %endif
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if:
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store i32 0, i32 addrspace(1)* %out
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br label %endif
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endif:
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ret void
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}
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; CHECK: {{^}}v_cmp_asm:
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; CHECK: v_mov_b32_e32 [[SRC:v[0-9]+]], s{{[0-9]+}}
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; CHECK: v_cmp_ne_i32_e64 s{{\[}}[[MASK_LO:[0-9]+]]:[[MASK_HI:[0-9]+]]{{\]}}, 0, [[SRC]]
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; CHECK-DAG: v_mov_b32_e32 v[[V_LO:[0-9]+]], s[[MASK_LO]]
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; CHECK-DAG: v_mov_b32_e32 v[[V_HI:[0-9]+]], s[[MASK_HI]]
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; CHECK: buffer_store_dwordx2 v{{\[}}[[V_LO]]:[[V_HI]]{{\]}}
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define void @v_cmp_asm(i64 addrspace(1)* %out, i32 %in) {
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%sgpr = tail call i64 asm "v_cmp_ne_i32_e64 $0, 0, $1", "=s,v"(i32 %in)
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store i64 %sgpr, i64 addrspace(1)* %out
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ret void
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}
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