; Test that storage for allocas with disjoint lifetimes is reused with stack ; tagging. ; RUN: opt -S -aarch64-stack-tagging %s -o - | \ ; RUN: llc -no-stack-coloring=false -o - | \ ; RUN: FileCheck %s --check-prefix=COLOR ; RUN: opt -S -aarch64-stack-tagging %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" ; COLOR: sub sp, sp, #192 ; NOCOLOR: sub sp, sp, #320 define i32 @myCall_w2(i32 %in) sanitize_hwaddress { entry: %a = alloca [17 x i8*], align 8 %a2 = alloca [16 x i8*], align 8 %b = bitcast [17 x i8*]* %a to i8* %b2 = bitcast [16 x i8*]* %a2 to i8* call void @llvm.lifetime.start.p0i8(i64 136, i8* %b) %t1 = call i32 @foo(i32 %in, i8* %b) %t2 = call i32 @foo(i32 %in, i8* %b) call void @llvm.lifetime.end.p0i8(i64 136, i8* %b) call void @llvm.lifetime.start.p0i8(i64 128, i8* %b2) %t3 = call i32 @foo(i32 %in, i8* %b2) %t4 = call i32 @foo(i32 %in, i8* %b2) call void @llvm.lifetime.end.p0i8(i64 128, i8* %b2) %t5 = add i32 %t1, %t2 %t6 = add i32 %t3, %t4 %t7 = add i32 %t5, %t6 ret i32 %t7 } declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) nounwind declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) nounwind declare i32 @foo(i32, i8*)