derek.holloway
7502bf64a4
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66 lines
2.7 KiB
LLVM
66 lines
2.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals all --global-value-regex ".*global_ctors.*" --version 5
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; RUN: opt < %s -passes=asan -S | FileCheck %s
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; RUN: opt < %s -passes=asan -S -asan-initialization-order=0 | FileCheck %s --check-prefixes=NOINIT
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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target triple = "x86_64-unknown-linux-gnu"
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@llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 65535, ptr @__late_ctor, ptr null }]
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@g = internal global i32 0, align 4, sanitize_address_dyninit ; With dynamic initializer.
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;.
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; CHECK: @llvm.global_ctors = appending global [2 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 65535, ptr @__late_ctor, ptr null }, { i32, ptr, ptr } { i32 1, ptr @asan.module_ctor, ptr @asan.module_ctor }]
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;.
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; NOINIT: @llvm.global_ctors = appending global [2 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 65535, ptr @__late_ctor, ptr null }, { i32, ptr, ptr } { i32 1, ptr @asan.module_ctor, ptr @asan.module_ctor }]
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;.
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define i32 @initializer() uwtable {
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; CHECK-LABEL: define i32 @initializer(
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; CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: ret i32 42
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;
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; NOINIT-LABEL: define i32 @initializer(
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; NOINIT-SAME: ) #[[ATTR0:[0-9]+]] {
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; NOINIT-NEXT: [[ENTRY:.*:]]
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; NOINIT-NEXT: ret i32 42
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;
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entry:
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ret i32 42
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}
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define internal void @__cxx_global_var_init() section ".text.startup" {
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; CHECK-LABEL: define internal void @__cxx_global_var_init() section ".text.startup" {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: [[CALL:%.*]] = call i32 @initializer()
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; CHECK-NEXT: store i32 [[CALL]], ptr @g, align 4
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; CHECK-NEXT: ret void
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;
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; NOINIT-LABEL: define internal void @__cxx_global_var_init() section ".text.startup" {
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; NOINIT-NEXT: [[ENTRY:.*:]]
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; NOINIT-NEXT: [[CALL:%.*]] = call i32 @initializer()
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; NOINIT-NEXT: store i32 [[CALL]], ptr @g, align 4
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; NOINIT-NEXT: ret void
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;
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entry:
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%call = call i32 @initializer()
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store i32 %call, ptr @g, align 4
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ret void
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}
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define internal void @__late_ctor() sanitize_address section ".text.startup" {
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; CHECK-LABEL: define internal void @__late_ctor(
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; CHECK-SAME: ) #[[ATTR1:[0-9]+]] section ".text.startup" {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: call void @__asan_before_dynamic_init(i64 ptrtoint (ptr @___asan_gen_module to i64))
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; CHECK-NEXT: call void @__asan_after_dynamic_init()
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; CHECK-NEXT: ret void
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;
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; NOINIT-LABEL: define internal void @__late_ctor(
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; NOINIT-SAME: ) #[[ATTR1:[0-9]+]] section ".text.startup" {
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; NOINIT-NEXT: [[ENTRY:.*:]]
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; NOINIT-NEXT: ret void
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;
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entry:
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ret void
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}
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