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