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1; RUN: llc -o - < %s | FileCheck %s2 3target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"4target triple = "x86_64-apple-macosx"5 6; Even if the target supports shrink-wrapping, the prologue and epilogue7; must not move because a crash can happen anywhere and sanitizers need8; to be able to unwind from the PC of the crash.9; CHECK-LABEL: sanitize:10; CHECK: pushq11; CHECK: incl 4012; CHECK: popq13; CHECK-NEXT: retq14; CHECK: movl $40, %edi15; CHECK-NEXT: callq ___asan_report_load416define void @sanitize() #0 {17entry:18 %tmp = load i8, ptr inttoptr (i64 17592186044421 to ptr)19 %tmp1 = icmp ne i8 %tmp, 020 br i1 %tmp1, label %if.then, label %else21 22if.then:23 %tmp3 = icmp sge i8 3, %tmp24 br i1 %tmp3, label %else, label %end25 26else:27 call void @__asan_report_load4(i64 40)28 call void asm sideeffect "", ""()29 unreachable30 31end:32 %tmp6 = load i32, ptr inttoptr (i64 40 to ptr), align 833 %inc = add nsw i32 %tmp6, 134 store i32 %inc, ptr inttoptr (i64 40 to ptr), align 835 ret void36}37 38attributes #0 = { sanitize_address nounwind "frame-pointer"="all" }39 40declare void @__asan_report_load4(i64)41