derek.holloway
7502bf64a4
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41 lines
1.1 KiB
ArmAsm
41 lines
1.1 KiB
ArmAsm
# This test checks that for AArch64 binaries with BTI, we do not inline blocks with indirect tailcalls.
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# Same as inline-bti.s, but checks the debug output, and therefore requires assertions.
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# REQUIRES: system-linux, assertions
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# RUN: llvm-mc -filetype=obj -triple aarch64-unknown-unknown %s -o %t.o
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# RUN: %clang %cflags -O0 %t.o -o %t.exe -Wl,-q -Wl,-z,force-bti
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# RUN: llvm-bolt --inline-all %t.exe -o %t.bolt --debug 2>&1 | FileCheck %s
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# For BTI, we should not inline foo.
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# CHECK: BOLT-DEBUG: Skipping inlining block with tailcall in _Z3barP1A : .LBB01 to keep BTIs consistent.
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# CHECK-NOT: BOLT-INFO: inlined {{[0-9]+}} calls at {{[0-9]+}} call sites in {{[0-9]+}} iteration(s). Change in binary size: {{[0-9]+}} bytes.
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.text
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.globl _Z3fooP1A
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.type _Z3fooP1A,@function
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_Z3fooP1A:
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ldr x8, [x0]
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ldr w0, [x8]
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br x30
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.size _Z3fooP1A, .-_Z3fooP1A
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.globl _Z3barP1A
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.type _Z3barP1A,@function
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_Z3barP1A:
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stp x29, x30, [sp, #-16]!
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mov x29, sp
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bl _Z3fooP1A
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mul w0, w0, w0
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ldp x29, x30, [sp], #16
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ret
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.size _Z3barP1A, .-_Z3barP1A
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.globl main
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.p2align 2
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.type main,@function
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main:
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mov w0, wzr
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ret
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.size main, .-main
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