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; Test that storage for allocas with disjoint lifetimes is reused with
; use-after-scope.
; RUN: opt -S -passes=hwasan %s -hwasan-use-after-scope -o - | \
; RUN: llc -no-stack-coloring=false -o - | \
; RUN: FileCheck %s --check-prefix=COLOR
; RUN: opt -S -passes=hwasan -hwasan-use-after-scope %s -o - | \
; RUN: llc -no-stack-coloring=true -o - | \
; RUN: FileCheck %s --check-prefix=NOCOLOR
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
target triple = "aarch64-unknown-linux-android29"
; REQUIRES: aarch64-registered-target
; COLOR: sub sp, sp, #240
; NOCOLOR: sub sp, sp, #384
define i32 @myCall_w2(i32 %in) sanitize_hwaddress {
entry:
%a = alloca [17 x ptr], align 8
%a2 = alloca [16 x ptr], align 8
call void @llvm.lifetime.start.p0(i64 136, ptr %a)
%t1 = call i32 @foo(i32 %in, ptr %a)
%t2 = call i32 @foo(i32 %in, ptr %a)
call void @llvm.lifetime.end.p0(i64 136, ptr %a)
call void @llvm.lifetime.start.p0(i64 128, ptr %a2)
%t3 = call i32 @foo(i32 %in, ptr %a2)
%t4 = call i32 @foo(i32 %in, ptr %a2)
call void @llvm.lifetime.end.p0(i64 128, ptr %a2)
%t5 = add i32 %t1, %t2
%t6 = add i32 %t3, %t4
%t7 = add i32 %t5, %t6
ret i32 %t7
}
declare void @llvm.lifetime.start.p0(i64, ptr nocapture) nounwind
declare void @llvm.lifetime.end.p0(i64, ptr nocapture) nounwind
declare i32 @foo(i32, ptr)
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