864f0ff4ef
Thread-local globals live, by default, in the default globals address space, which may not be 0, so we need to overload @llvm.thread.pointer to support other address spaces, and use the default globals address space in Clang.
21 lines
643 B
LLVM
21 lines
643 B
LLVM
; RUN: opt -safe-stack -S -mtriple=aarch64-linux-android < %s -o - | FileCheck %s
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; RUN: opt -passes=safe-stack -S -mtriple=aarch64-linux-android < %s -o - | FileCheck %s
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define void @foo() nounwind uwtable safestack {
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entry:
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; CHECK: %[[TP:.*]] = call ptr @llvm.thread.pointer.p0()
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; CHECK: %[[SPA0:.*]] = getelementptr i8, ptr %[[TP]], i32 72
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; CHECK: %[[USP:.*]] = load ptr, ptr %[[SPA0]]
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; CHECK: %[[USST:.*]] = getelementptr i8, ptr %[[USP]], i32 -16
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; CHECK: store ptr %[[USST]], ptr %[[SPA0]]
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%a = alloca i8, align 8
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call void @Capture(ptr %a)
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; CHECK: store ptr %[[USP]], ptr %[[SPA0]]
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ret void
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}
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declare void @Capture(ptr)
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