22 lines
894 B
LLVM
22 lines
894 B
LLVM
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; RUN: llc -O3 %s -o - | FileCheck %s
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64-linux-gnu"
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; Make sure we correctly lower stack guards even if __stack_chk_guard
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; is an alias. (The alias is created by GlobalMerge.)
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; CHECK: adrp {{.*}}, __stack_chk_guard
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; CHECK: ldr {{.*}}, [{{.*}}, :lo12:__stack_chk_guard]
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; CHECK: .set __stack_chk_guard, .L_MergedGlobals+4
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@__stack_chk_guard = internal global [8 x i32] zeroinitializer, align 4
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@x = internal global i32 0, align 4
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define i32 @b() nounwind sspstrong {
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entry:
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%z = alloca [10 x i32], align 4
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%arraydecay = getelementptr inbounds [10 x i32], [10 x i32]* %z, i64 0, i64 0
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%call = call i32 @a(i32* getelementptr inbounds ([8 x i32], [8 x i32]* @__stack_chk_guard, i64 0, i64 0), i32* nonnull @x, i32* nonnull %arraydecay) #3
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ret i32 %call
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}
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declare i32 @a(i32*, i32*, i32*)
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