20 lines
576 B
LLVM
20 lines
576 B
LLVM
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; RUN: opt -safe-stack -S -mtriple=arm-linux-android < %s -o - | FileCheck %s
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; RUN: opt -passes=safe-stack -S -mtriple=arm-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: %[[SPA:.*]] = call ptr @__safestack_pointer_address()
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; CHECK: %[[USP:.*]] = load ptr, ptr %[[SPA]]
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; CHECK: %[[USST:.*]] = getelementptr i8, ptr %[[USP]], i32 -16
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; CHECK: store ptr %[[USST]], ptr %[[SPA]]
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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 %[[SPA]]
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ret void
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}
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declare void @Capture(ptr)
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