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1; Regression test for a compiler bug that caused a crash when instrumenting code2; using musttail.3 4; RUN: opt -S -passes=hwasan -hwasan-use-stack-safety=0 %s -o - | FileCheck %s5 6target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"7target triple = "aarch64"8 9define dso_local noundef i32 @_Z3bari(i32 noundef %0) sanitize_hwaddress {10 %2 = alloca i32, align 411 store i32 %0, ptr %2, align 412 %3 = load i32, ptr %2, align 413 ret i32 %314}15 16define dso_local noundef i32 @_Z3fooi(i32 noundef %0) sanitize_hwaddress {17 %2 = alloca i32, align 418 %3 = alloca i32, align 419 store i32 %0, ptr %2, align 420 store volatile i32 5, ptr %3, align 421 %4 = load i32, ptr %2, align 422 %5 = load volatile i32, ptr %3, align 423 %6 = add nsw i32 %4, %524 ; Check we untag before the musttail.25 ; CHECK: call void @llvm.memset.p0.i6426 ; CHECK: musttail call27 ; CHECK-NOT: call void @llvm.memset.p0.i6428 %7 = musttail call noundef i32 @_Z3bari(i32 noundef %6)29 ret i32 %730}31