derek.holloway
7502bf64a4
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63 lines
2.2 KiB
LLVM
63 lines
2.2 KiB
LLVM
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -amdgpu-enable-object-linking -filetype=obj < %s | llvm-readobj -r --sections - | FileCheck %s
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; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -amdgpu-enable-object-linking -filetype=asm < %s | FileCheck %s --check-prefix=ASM --implicit-check-not=.amdgpu_num_agpr
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; Test that the unified .amdgpu.info section (.amdgpu_info blocks in assembly) is
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; emitted with correct relocations when object linking is enabled.
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declare void @extern_func()
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declare void @tail_extern()
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; The .amdgpu.info section should exist as SHT_PROGBITS with SHF_EXCLUDE.
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; CHECK: Section {
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; CHECK: Name: .amdgpu.info
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; CHECK: Type: SHT_PROGBITS
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; CHECK: Flags [
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; CHECK: SHF_EXCLUDE
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; CHECK: ]
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; Symbol references in the binary resource metadata still use R_AMDGPU_ABS64 relocations.
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; CHECK-DAG: R_AMDGPU_ABS64 my_kernel
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; CHECK-DAG: R_AMDGPU_ABS64 helper
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; CHECK-DAG: R_AMDGPU_ABS64 extern_func
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; COM: Tail-call callee must still be recorded as an INFO_CALL edge.
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; CHECK-DAG: R_AMDGPU_ABS64 tail_helper
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; CHECK-DAG: R_AMDGPU_ABS64 tail_extern
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; COM: Assembly: per-function .amdgpu_info blocks (target flags derived from
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; COM: e_flags).
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; ASM-DAG: .amdgpu_info helper
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; ASM-DAG: .amdgpu_flags {{[0-9]+}}
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; ASM-DAG: .amdgpu_num_vgpr {{[0-9]+}}
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; ASM-DAG: .amdgpu_num_sgpr {{[0-9]+}}
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; ASM-DAG: .amdgpu_private_segment_size {{[0-9]+}}
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; ASM-DAG: .amdgpu_call extern_func
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; ASM-DAG: .end_amdgpu_info
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; ASM-DAG: .amdgpu_info my_kernel
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; ASM-DAG: .amdgpu_flags {{[0-9]+}}
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; ASM-DAG: .amdgpu_num_vgpr {{[0-9]+}}
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; ASM-DAG: .amdgpu_num_sgpr {{[0-9]+}}
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; ASM-DAG: .amdgpu_private_segment_size {{[0-9]+}}
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; ASM-DAG: .amdgpu_call helper
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; ASM-DAG: .end_amdgpu_info
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; COM: A tail call is lowered to SI_TCRETURN (isCall = 1). Verify that the
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; COM: callee edge is still captured in the .amdgpu_info block of the caller.
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; ASM-DAG: .amdgpu_info tail_helper
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; ASM-DAG: .amdgpu_call tail_extern
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; ASM-DAG: .end_amdgpu_info
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define void @helper() {
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call void @extern_func()
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ret void
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}
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define amdgpu_kernel void @my_kernel() {
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call void @helper()
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ret void
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}
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define void @tail_helper() {
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tail call void @tail_extern()
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ret void
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}
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