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39 lines
1.3 KiB
ArmAsm
39 lines
1.3 KiB
ArmAsm
# REQUIRES: system-linux
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# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown \
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# RUN: %s -o %t.o
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# RUN: link_fdata %s %t.o %t.fdata
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# RUN: %clang %cflags %t.o -o %t.exe -Wl,-q
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# RUN: llvm-bolt %t.exe --data %t.fdata --reorder-blocks=ext-tsp \
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# RUN: --print-finalized --tail-duplication=moderate \
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# RUN: --tail-duplication-minimum-offset=1 -o %t.out | FileCheck %s
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# RUN: llvm-bolt %t.exe --data %t.fdata --print-finalized \
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# RUN: --tail-duplication=aggressive --tail-duplication-minimum-offset=1 \
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# RUN: -o %t.out | FileCheck %s --check-prefix CHECK-NOLOOP
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# FDATA: 1 main 2 1 main #.BB2# 0 10
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# FDATA: 1 main 4 1 main #.BB2# 0 20
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# CHECK: BOLT-INFO: tail duplication modified 1 ({{.*}}%) functions; duplicated 1 blocks (1 bytes) responsible for {{.*}} dynamic executions ({{.*}}% of all block executions)
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# CHECK: BB Layout : .LBB00, .Ltail-dup0, .Ltmp0, .Ltmp1
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## Check that the successor of Ltail-dup0 is .LBB00, not itself.
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# CHECK-NOLOOP: .Ltail-dup0 (1 instructions, align : 1)
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# CHECK-NOLOOP: Predecessors: .LBB00
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# CHECK-NOLOOP: retq
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# CHECK-NOLOOP: .Ltmp0 (1 instructions, align : 1)
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.text
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.globl main
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.type main, %function
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.size main, .Lend-main
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main:
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xor %eax, %eax
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jmp .BB2
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.BB1:
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inc %rax
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.BB2:
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retq
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# For relocations against .text
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call exit
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.Lend:
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