24 lines
939 B
LLVM
24 lines
939 B
LLVM
; RUN: opt -safe-stack -S -mtriple=aarch64-linux-android < %s -o - | FileCheck --check-prefixes=TLS,ANDROID %s
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; RUN: opt -safe-stack -S -mtriple=aarch64-unknown-fuchsia < %s -o - | FileCheck --check-prefixes=TLS,FUCHSIA %s
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define void @foo() nounwind uwtable safestack sspreq {
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entry:
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; The first @llvm.thread.pointer is for the unsafe stack pointer, skip it.
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; TLS: call i8* @llvm.thread.pointer()
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; TLS: %[[TP2:.*]] = call i8* @llvm.thread.pointer()
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; ANDROID: %[[B:.*]] = getelementptr i8, i8* %[[TP2]], i32 40
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; FUCHSIA: %[[B:.*]] = getelementptr i8, i8* %[[TP2]], i32 -16
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; TLS: %[[C:.*]] = bitcast i8* %[[B]] to i8**
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; TLS: %[[StackGuard:.*]] = load i8*, i8** %[[C]]
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; TLS: store i8* %[[StackGuard]], i8** %[[StackGuardSlot:.*]]
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%a = alloca i128, align 16
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call void @Capture(i128* %a)
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; TLS: %[[A:.*]] = load i8*, i8** %[[StackGuardSlot]]
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; TLS: icmp ne i8* %[[StackGuard]], %[[A]]
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ret void
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}
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declare void @Capture(i128*)
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