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e2f4949ea2
Summary: CFI directives are generated for .S files. Reviewers: eugenis Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D5520 llvm-svn: 219199
55 lines
1.9 KiB
LLVM
55 lines
1.9 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 -mattr=+sse2 -asm-instrumentation=address -asan-instrument-assembly | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; CHECK-LABEL: mov8b_rbp
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; CHECK: pushq %rbp
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; CHECK-NOT: .cfi_adjust_cfa_offset 8
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; CHECK: movq %rbp, %rbp
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; CHECK: .cfi_remember_state
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; CHECK: .cfi_def_cfa_register %rbp
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; CHECK: leaq -128(%rsp)
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; CHECK: callq __asan_report_load8@PLT
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; CHECK: leaq 128(%rsp)
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; CHECK: popq %rbp
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; CHECK: .cfi_restore_state
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; CHECK-NOT: .cfi_adjust_cfa_offset -8
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; CHECK: retq
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define void @mov8b_rbp(i64* %dst, i64* %src) #0 {
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entry:
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tail call void asm sideeffect "movq ($0), %rax \0A\09movq %rax, ($1) \0A\09", "r,r,~{rax},~{memory},~{dirflag},~{fpsr},~{flags}"(i64* %src, i64* %dst)
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ret void
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}
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; CHECK-LABEL: mov8b_rsp
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; CHECK: pushq %rbp
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; CHECK: .cfi_adjust_cfa_offset 8
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; CHECK: movq %rsp, %rbp
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; CHECK: .cfi_remember_state
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; CHECK: .cfi_def_cfa_register %rbp
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; CHECK: leaq -128(%rsp)
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; CHECK: callq __asan_report_load8@PLT
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; CHECK: leaq 128(%rsp)
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; CHECK: popq %rbp
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; CHECK: .cfi_restore_state
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; CHECK: .cfi_adjust_cfa_offset -8
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; CHECK: retq
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define void @mov8b_rsp(i64* %dst, i64* %src) #1 {
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entry:
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tail call void asm sideeffect "movq ($0), %rax \0A\09movq %rax, ($1) \0A\09", "r,r,~{rax},~{memory},~{dirflag},~{fpsr},~{flags}"(i64* %src, i64* %dst)
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ret void
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}
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; CHECK-LABEL: mov8b_rsp_no_cfi
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; CHECK-NOT: .cfi{{[a-z_]+}}
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define void @mov8b_rsp_no_cfi(i64* %dst, i64* %src) #2 {
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entry:
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tail call void asm sideeffect "movq ($0), %rax \0A\09movq %rax, ($1) \0A\09", "r,r,~{rax},~{memory},~{dirflag},~{fpsr},~{flags}"(i64* %src, i64* %dst)
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ret void
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}
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attributes #0 = { nounwind sanitize_address uwtable "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" }
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attributes #1 = { nounwind sanitize_address uwtable "no-frame-pointer-elim"="false" }
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attributes #2 = { nounwind sanitize_address "no-frame-pointer-elim"="false" }
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