blob: c78b20aaa01abce5a32efcf5da2ae605cb1e6e26 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
; RUN: opt -safe-stack -S -mtriple=aarch64-linux-android < %s -o - | FileCheck --check-prefixes=TLS,ANDROID %s
; RUN: opt -safe-stack -S -mtriple=aarch64-unknown-fuchsia < %s -o - | FileCheck --check-prefixes=TLS,FUCHSIA %s
define void @foo() nounwind uwtable safestack sspreq {
entry:
; The first @llvm.thread.pointer is for the unsafe stack pointer, skip it.
; TLS: call i8* @llvm.thread.pointer()
; TLS: %[[TP2:.*]] = call i8* @llvm.thread.pointer()
; ANDROID: %[[B:.*]] = getelementptr i8, i8* %[[TP2]], i32 40
; FUCHSIA: %[[B:.*]] = getelementptr i8, i8* %[[TP2]], i32 -16
; TLS: %[[C:.*]] = bitcast i8* %[[B]] to i8**
; TLS: %[[StackGuard:.*]] = load i8*, i8** %[[C]]
; TLS: store i8* %[[StackGuard]], i8** %[[StackGuardSlot:.*]]
%a = alloca i128, align 16
call void @Capture(i128* %a)
; TLS: %[[A:.*]] = load i8*, i8** %[[StackGuardSlot]]
; TLS: icmp ne i8* %[[StackGuard]], %[[A]]
ret void
}
declare void @Capture(i128*)
|
