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3c07918c35
Summary: The purpose of the padding is to guard against stale code being fetched into the instruction cache by the lowest level prefetching. We're generating relocatable ELF here, and so the padding should arguably be added by the linker. This is in fact what Mesa does. This also fixes multi-part shaders for Mesa. Change-Id: I6bfede58f20e9f337762ccf39ef9e0e263e69e82 Reviewers: arsenm, rampitec, t-tye Subscribers: kzhuravl, jvesely, wdng, yaxunl, dstuttard, tpr, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D63427 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@363602 91177308-0d34-0410-b5e6-96231b3b80d8
83 lines
3.0 KiB
LLVM
83 lines
3.0 KiB
LLVM
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1010 -asm-verbose=0 < %s | FileCheck -check-prefixes=GCN,GCN-ASM,GFX10END,GFX10END-ASM %s
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; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1010 -filetype=obj < %s | llvm-objdump -arch=amdgcn -mcpu=gfx1010 -disassemble - | FileCheck -check-prefixes=GCN,GCN-OBJ,GFX10END,GFX10END-OBJ %s
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; RUN: llc -mtriple=amdgcn-amd-amdpal -mcpu=gfx1010 -asm-verbose=0 < %s | FileCheck -check-prefixes=GCN,GCN-ASM,GFX10END,GFX10END-ASM %s
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; RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1010 -asm-verbose=0 < %s | FileCheck -check-prefixes=GCN,GCN-ASM,GFX10NOEND,GFX10NOEND-ASM %s
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; RUN: llc -mtriple=amdgcn-- -mcpu=gfx1010 -filetype=obj < %s | llvm-objdump -arch=amdgcn -mcpu=gfx1010 -disassemble - | FileCheck -check-prefixes=GCN,GCN-OBJ,GFX10NOEND,GFX10NOEND-OBJ %s
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; GCN: a_kernel1:
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; GCN: s_endpgm
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; GCN-ASM: [[END_LABEL1:\.Lfunc_end.*]]:
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; GCN-ASM-NEXT: .size a_kernel1, [[END_LABEL1]]-a_kernel1
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; GCN-OBJ-NEXT: s_nop 0
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define amdgpu_kernel void @a_kernel1() {
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ret void
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}
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; GCN: a_kernel2:
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; GCN: s_endpgm
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; GCN-ASM: [[END_LABEL2:\.Lfunc_end.*]]:
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; GCN-ASM-NEXT: .size a_kernel2, [[END_LABEL2]]-a_kernel2
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; GCN-OBJ: {{^$}}
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define amdgpu_kernel void @a_kernel2() {
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ret void
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}
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; GCN-ASM: .globl a_function
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; GCN-ASM-NEXT: .p2align 2
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; GCN-ASM-NEXT: .type a_function,@function
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; GCN-NEXT: a_function:
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; GCN: s_setpc_b64
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; GCN-ASM-NEXT: [[END_LABEL3:\.Lfunc_end.*]]:
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; GCN-ASM-NEXT: .size a_function, [[END_LABEL3]]-a_function
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; GFX10END-ASM: .p2alignl 6, 3214868480
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; GFX10END-ASM-NEXT: .fill 32, 4, 3214868480
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; GFX10NOEND-NOT: .fill
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; GFX10NOEND-OBJ-NOT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ: s_code_end // 000000000140:
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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; GFX10END-OBJ-NEXT: s_code_end
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define void @a_function() {
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ret void
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}
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