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