; Regression test for a compiler bug that caused a crash when instrumenting code
; using musttail.
; RUN: opt -S -passes=hwasan -hwasan-use-stack-safety=0 %s -o - | FileCheck %s
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
target triple = "aarch64"
define dso_local noundef i32 @_Z3bari(i32 noundef %0) sanitize_hwaddress {
%2 = alloca i32, align 4
store i32 %0, ptr %2, align 4
%3 = load i32, ptr %2, align 4
ret i32 %3
}
define dso_local noundef i32 @_Z3fooi(i32 noundef %0) sanitize_hwaddress {
%2 = alloca i32, align 4
%3 = alloca i32, align 4
store i32 %0, ptr %2, align 4
store volatile i32 5, ptr %3, align 4
%4 = load i32, ptr %2, align 4
%5 = load volatile i32, ptr %3, align 4
%6 = add nsw i32 %4, %5
; Check we untag before the musttail.
; CHECK: call void @llvm.memset.p0.i64
; CHECK: musttail call
; CHECK-NOT: call void @llvm.memset.p0.i64
%7 = musttail call noundef i32 @_Z3bari(i32 noundef %6)
ret i32 %7
}