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b2d272ccfb
In 96e5ee2, I inadvertently broke the way non-trivial symbol references got updated from non-optimized code. The breakage was a consequence of `getTargetSymbol(MCExpr *)` not returning a symbol when the parameter was a binary expression. Fix `getTargetSymbol()` to cover such cases.
34 lines
921 B
ArmAsm
34 lines
921 B
ArmAsm
## Check that llvm-bolt properly updates references in unoptimized code when
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## such references are non-trivial expressions.
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# RUN: %clang %cflags %s -o %t.exe -Wl,-q -no-pie
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# RUN: llvm-bolt %t.exe -o %t.bolt --funcs=_start
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# RUN: llvm-objdump -d --disassemble-symbols=_start %t.bolt > %t.out
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# RUN: llvm-objdump -d --disassemble-symbols=cold %t.bolt >> %t.out
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# RUN: FileCheck %s < %t.out
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## _start() will be optimized and assigned a new address.
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# CHECK: [[#%x,ADDR:]] <_start>:
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## cold() is not optimized, but references to _start are updated.
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# CHECK-LABEL: <cold>:
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# CHECK-NEXT: movl $0x[[#ADDR - 1]], %ecx
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# CHECK-NEXT: movl $0x[[#ADDR]], %ecx
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# CHECK-NEXT: movl $0x[[#ADDR + 1]], %ecx
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.text
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.globl cold
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.type cold, %function
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cold:
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movl $_start-1, %ecx
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movl $_start, %ecx
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movl $_start+1, %ecx
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ret
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.size cold, .-cold
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.globl _start
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.type _start, %function
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_start:
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ret
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.size _start, .-_start
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