4bcbeaed63
Add a trap instruction to the beginning of the kernel prologue to handle cases where preloading is attempted on HW loaded with incompatible firmware.
21 lines
886 B
LLVM
21 lines
886 B
LLVM
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx940 -amdgpu-kernarg-preload-count=1 -asm-verbose=0 < %s | FileCheck -check-prefixes=GCN,HSA %s
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; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx940 -amdgpu-kernarg-preload-count=1 -filetype=obj < %s | llvm-objdump --arch=amdgcn --mcpu=gfx940 --disassemble - | FileCheck -check-prefixes=GCN,HSA %s
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; RUN: llc -mtriple=amdgcn -mcpu=gfx940 -amdgpu-kernarg-preload-count=1 -filetype=obj < %s | llvm-objdump --arch=amdgcn --mcpu=gfx940 --disassemble - | FileCheck -check-prefixes=GCN,NON-HSA %s
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; GCN: preload_kernarg_header
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; HSA: s_trap 2
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; NON-HSA: s_endpgm
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; GCN-COUNT-63: s_nop 0
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define amdgpu_kernel void @preload_kernarg_header(ptr %arg) {
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store ptr %arg, ptr %arg
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ret void
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}
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; GCN: non_kernel_function
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; GCN-NOT: s_nop 0
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; GCN: flat_store
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define void @non_kernel_function(ptr %arg) {
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store ptr %arg, ptr %arg
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ret void
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}
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