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1; RUN: opt < %s -sancov -sanitizer-coverage-level=0 -S | FileCheck %s
2; RUN: opt < %s -sancov -sanitizer-coverage-level=1 -S | FileCheck %s
3; RUN: opt < %s -sancov -sanitizer-coverage-level=2 -S | FileCheck %s
4; RUN: opt < %s -sancov -sanitizer-coverage-level=2 -sanitizer-coverage-block-threshold=0 -S | FileCheck %s
5
6target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
7target triple = "i686-pc-windows-msvc18.0.0"
8
9declare i32 @llvm.eh.typeid.for(i8*) #2
10declare i8* @llvm.frameaddress(i32)
11declare i8* @llvm.x86.seh.recoverfp(i8*, i8*)
12declare i8* @llvm.localrecover(i8*, i8*, i32)
13declare void @llvm.localescape(...) #1
14
15declare i32 @_except_handler3(...)
16declare void @may_throw(i32* %r)
17
18define i32 @main() sanitize_address personality i8* bitcast (i32 (...)* @_except_handler3 to i8*) {
19entry:
20  %r = alloca i32, align 4
21  %__exception_code = alloca i32, align 4
22  call void (...) @llvm.localescape(i32* nonnull %__exception_code)
23  %0 = bitcast i32* %r to i8*
24  store i32 0, i32* %r, align 4
25  invoke void @may_throw(i32* nonnull %r) #4
26          to label %__try.cont unwind label %lpad
27
28lpad:                                             ; preds = %entry
29  %1 = landingpad { i8*, i32 }
30          catch i8* bitcast (i32 ()* @"\01?filt$0@0@main@@" to i8*)
31  %2 = extractvalue { i8*, i32 } %1, 1
32  %3 = call i32 @llvm.eh.typeid.for(i8* bitcast (i32 ()* @"\01?filt$0@0@main@@" to i8*)) #1
33  %matches = icmp eq i32 %2, %3
34  br i1 %matches, label %__except, label %eh.resume
35
36__except:                                         ; preds = %lpad
37  store i32 1, i32* %r, align 4
38  br label %__try.cont
39
40__try.cont:                                       ; preds = %entry, %__except
41  %4 = load i32, i32* %r, align 4
42  ret i32 %4
43
44eh.resume:                                        ; preds = %lpad
45  resume { i8*, i32 } %1
46}
47
48; Check that we don't do any instrumentation.
49
50; CHECK-LABEL: define i32 @main()
51; CHECK-NOT: load atomic i32, i32* {{.*}} monotonic, align 4, !nosanitize
52; CHECK-NOT: call void @__sanitizer_cov
53; CHECK: ret i32
54
55; Function Attrs: nounwind
56define internal i32 @"\01?filt$0@0@main@@"() #1 {
57entry:
58  %0 = tail call i8* @llvm.frameaddress(i32 1)
59  %1 = tail call i8* @llvm.x86.seh.recoverfp(i8* bitcast (i32 ()* @main to i8*), i8* %0)
60  %2 = tail call i8* @llvm.localrecover(i8* bitcast (i32 ()* @main to i8*), i8* %1, i32 0)
61  %__exception_code = bitcast i8* %2 to i32*
62  %3 = getelementptr inbounds i8, i8* %0, i32 -20
63  %4 = bitcast i8* %3 to { i32*, i8* }**
64  %5 = load { i32*, i8* }*, { i32*, i8* }** %4, align 4
65  %6 = getelementptr inbounds { i32*, i8* }, { i32*, i8* }* %5, i32 0, i32 0
66  %7 = load i32*, i32** %6, align 4
67  %8 = load i32, i32* %7, align 4
68  store i32 %8, i32* %__exception_code, align 4
69  ret i32 1
70}
71
72; CHECK-LABEL: define internal i32 @"\01?filt$0@0@main@@"()
73; CHECK: tail call i8* @llvm.localrecover(i8* bitcast (i32 ()* @main to i8*), i8* {{.*}}, i32 0)
74
75define void @ScaleFilterCols_SSSE3(i8* %dst_ptr, i8* %src_ptr, i32 %dst_width, i32 %x, i32 %dx) sanitize_address {
76entry:
77  %dst_width.addr = alloca i32, align 4
78  store i32 %dst_width, i32* %dst_width.addr, align 4
79  %0 = call { i8*, i8*, i32, i32, i32 } asm sideeffect "", "=r,=r,={ax},=r,=r,=*rm,rm,rm,0,1,2,3,4,5,~{memory},~{cc},~{xmm0},~{xmm1},~{xmm2},~{xmm3},~{xmm4},~{xmm5},~{xmm6},~{dirflag},~{fpsr},~{flags}"(i32* nonnull %dst_width.addr, i32 %x, i32 %dx, i8* %dst_ptr, i8* %src_ptr, i32 0, i32 0, i32 0, i32 %dst_width)
80  ret void
81}
82
83define void @ScaleColsUp2_SSE2() sanitize_address {
84entry:
85  ret void
86}
87