-; RUN: opt < %s -asan -asan-module -asan-use-after-return -asan-stack-dynamic-alloca -S | FileCheck %s
-; RUN: opt < %s -asan -asan-module -asan-use-after-return=0 -asan-stack-dynamic-alloca=0 -S | FileCheck %s
-
-target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-apple-macosx10.10.0"
-
-declare i32 @llvm.eh.typeid.for(i8*) #2
-declare i8* @llvm.frameaddress(i32)
-declare i8* @llvm.x86.seh.recoverfp(i8*, i8*)
-declare i8* @llvm.localrecover(i8*, i8*, i32)
-declare void @llvm.localescape(...) #1
-
-declare i32 @_except_handler3(...)
-declare void @may_throw(i32* %r)
-
-define i32 @main() sanitize_address personality i8* bitcast (i32 (...)* @_except_handler3 to i8*) {
-entry:
- %r = alloca i32, align 4
- %__exception_code = alloca i32, align 4
- call void (...) @llvm.localescape(i32* nonnull %__exception_code)
- %0 = bitcast i32* %r to i8*
- store i32 0, i32* %r, align 4
- invoke void @may_throw(i32* nonnull %r) #4
- to label %__try.cont unwind label %lpad
-
-lpad: ; preds = %entry
- %1 = landingpad { i8*, i32 }
- catch i8* bitcast (i32 ()* @"\01?filt$0@0@main@@" to i8*)
- %2 = extractvalue { i8*, i32 } %1, 1
- %3 = call i32 @llvm.eh.typeid.for(i8* bitcast (i32 ()* @"\01?filt$0@0@main@@" to i8*)) #1
- %matches = icmp eq i32 %2, %3
- br i1 %matches, label %__except, label %eh.resume
-
-__except: ; preds = %lpad
- store i32 1, i32* %r, align 4
- br label %__try.cont
-
-__try.cont: ; preds = %entry, %__except
- %4 = load i32, i32* %r, align 4
- ret i32 %4
-
-eh.resume: ; preds = %lpad
- resume { i8*, i32 } %1
-}
-
-; Check that the alloca remains static and the localescape call remains in the
-; entry block.
-
-; CHECK-LABEL: define i32 @main()
-; CHECK-NOT: br {{.*}}label
-; CHECK: %__exception_code = alloca i32, align 4
-; CHECK-NOT: br {{.*}}label
-; CHECK: call void (...) @llvm.localescape(i32* nonnull %__exception_code)
-
-; Function Attrs: nounwind
-define internal i32 @"\01?filt$0@0@main@@"() #1 {
-entry:
- %0 = tail call i8* @llvm.frameaddress(i32 1)
- %1 = tail call i8* @llvm.x86.seh.recoverfp(i8* bitcast (i32 ()* @main to i8*), i8* %0)
- %2 = tail call i8* @llvm.localrecover(i8* bitcast (i32 ()* @main to i8*), i8* %1, i32 0)
- %__exception_code = bitcast i8* %2 to i32*
- %3 = getelementptr inbounds i8, i8* %0, i32 -20
- %4 = bitcast i8* %3 to { i32*, i8* }**
- %5 = load { i32*, i8* }*, { i32*, i8* }** %4, align 4
- %6 = getelementptr inbounds { i32*, i8* }, { i32*, i8* }* %5, i32 0, i32 0
- %7 = load i32*, i32** %6, align 4
- %8 = load i32, i32* %7, align 4
- store i32 %8, i32* %__exception_code, align 4
- ret i32 1
-}
-
-; CHECK-LABEL: define internal i32 @"\01?filt$0@0@main@@"()
-; CHECK: tail call i8* @llvm.localrecover(i8* bitcast (i32 ()* @main to i8*), i8* {{.*}}, i32 0)