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TheRock/compiler/amd-llvm/bolt/test/runtime/X86/reg-reassign-no-swap-bl.s
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

60 lines
1.4 KiB
ArmAsm

# This test case is used to reproduce an issue found in the mongod database.
# In function rankRegisters, if there is a BH Reg in the basic block, then the BL Reg
# also cannot be swap.
# REQUIRES: system-linux
# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown %s -o %t.o
# RUN: link_fdata %s %t.o %t.fdata
# RUN: llvm-strip --strip-unneeded %t.o
# RUN: %clang -no-pie %t.o -o %t.exe -Wl,-q
# RUN: llvm-bolt %t.exe -o %t.out -data=%t.fdata --reg-reassign | FileCheck %s
# RUN: %t.out
# CHECK: Reg Reassignment Pass: no changes were made
.text
.globl main
.globl main.cold
.p2align 4, 0x90
.type main,@function
.type main.cold,@function
main.cold:
bb1:
mov $0x2, %bh
bb2:
jmp bb5
main: # @main
.cfi_startproc
# %bb.0: # %entry
pushq %rax
pushq %r12
pushq %rbx
.cfi_def_cfa_offset 16
mov $0x1, %r12
shr $0x14, %r12
add $0x14, %r12
mov $0x11, %rbx
mov $0x1, %bh
mov $0x1, %bl
bb3:
add $0x1, %r12
bb4:
jmp bb1
bb5:
cmp $0x201, %rbx
jne 0x0
bb6:
xorl %eax, %eax
popq %rcx
popq %rbx
popq %r12
.cfi_def_cfa_offset 8
retq
# FDATA: 1 main.cold #bb2# 1 main 0 0 100
# FDATA: 1 main #bb3# 1 main #bb4# 0 100
# FDATA: 1 main #bb4# 1 main.cold 0 0 100
.Lfunc_end0:
.size main, .Lfunc_end0-main
.cfi_endproc