| ;RUN: dsaopt %s -dsa-cbu -analyze -check-callees=assign,A,B |
| ;RUN: dsaopt %s -dsa-bu -analyze -check-callees=assign,A,B |
| |
| ;Go through a list of functions passed as varargs, and call each one. |
| |
| ; ModuleID = 'multiple_callee.o' |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| %struct.__va_list_tag = type { i32, i32, i8*, i8* } |
| |
| define internal void @A() nounwind { |
| entry: |
| br label %return |
| |
| return: ; preds = %entry |
| ret void |
| } |
| |
| define internal void @B() nounwind { |
| entry: |
| br label %return |
| |
| return: ; preds = %entry |
| ret void |
| } |
| |
| define internal void @C() nounwind { |
| entry: |
| br label %return |
| |
| return: ; preds = %entry |
| ret void |
| } |
| |
| define internal void @assign(i32 %count, ...) nounwind { |
| entry: |
| %count_addr = alloca i32 ; <i32*> [#uses=2] |
| %addr.2 = alloca i8* ; <i8**> [#uses=3] |
| %addr.0 = alloca i8* ; <i8**> [#uses=3] |
| %ap = alloca [1 x %struct.__va_list_tag] ; <[1 x %struct.__va_list_tag]*> [#uses=16] |
| %old = alloca void ()* ; <void ()**> [#uses=3] |
| %i = alloca i32 ; <i32*> [#uses=4] |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| store i32 %count, i32* %count_addr |
| %ap1 = bitcast [1 x %struct.__va_list_tag]* %ap to %struct.__va_list_tag* ; <%struct.__va_list_tag*> [#uses=1] |
| %ap12 = bitcast %struct.__va_list_tag* %ap1 to i8* ; <i8*> [#uses=1] |
| call void @llvm.va_start(i8* %ap12) |
| %0 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1] |
| %1 = getelementptr inbounds %struct.__va_list_tag* %0, i32 0, i32 0 ; <i32*> [#uses=1] |
| %2 = load i32* %1, align 8 ; <i32> [#uses=1] |
| %3 = icmp uge i32 %2, 48 ; <i1> [#uses=1] |
| br i1 %3, label %bb3, label %bb |
| |
| bb: ; preds = %entry |
| %4 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1] |
| %5 = getelementptr inbounds %struct.__va_list_tag* %4, i32 0, i32 3 ; <i8**> [#uses=1] |
| %6 = load i8** %5, align 8 ; <i8*> [#uses=1] |
| %7 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1] |
| %8 = getelementptr inbounds %struct.__va_list_tag* %7, i32 0, i32 0 ; <i32*> [#uses=1] |
| %9 = load i32* %8, align 8 ; <i32> [#uses=1] |
| %10 = inttoptr i32 %9 to i8* ; <i8*> [#uses=1] |
| %11 = ptrtoint i8* %6 to i64 ; <i64> [#uses=1] |
| %12 = ptrtoint i8* %10 to i64 ; <i64> [#uses=1] |
| %13 = add i64 %11, %12 ; <i64> [#uses=1] |
| %14 = inttoptr i64 %13 to i8* ; <i8*> [#uses=1] |
| store i8* %14, i8** %addr.0, align 8 |
| %15 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1] |
| %16 = getelementptr inbounds %struct.__va_list_tag* %15, i32 0, i32 0 ; <i32*> [#uses=1] |
| %17 = load i32* %16, align 8 ; <i32> [#uses=1] |
| %18 = add i32 %17, 8 ; <i32> [#uses=1] |
| %19 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1] |
| %20 = getelementptr inbounds %struct.__va_list_tag* %19, i32 0, i32 0 ; <i32*> [#uses=1] |
| store i32 %18, i32* %20, align 8 |
| br label %bb4 |
| |
| bb3: ; preds = %entry |
| %21 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1] |
| %22 = getelementptr inbounds %struct.__va_list_tag* %21, i32 0, i32 2 ; <i8**> [#uses=1] |
| %23 = load i8** %22, align 8 ; <i8*> [#uses=2] |
| store i8* %23, i8** %addr.0, align 8 |
| %24 = getelementptr inbounds i8* %23, i64 8 ; <i8*> [#uses=1] |
| %25 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1] |
| %26 = getelementptr inbounds %struct.__va_list_tag* %25, i32 0, i32 2 ; <i8**> [#uses=1] |
| store i8* %24, i8** %26, align 8 |
| br label %bb4 |
| |
| bb4: ; preds = %bb3, %bb |
| %27 = load i8** %addr.0, align 8 ; <i8*> [#uses=1] |
| %28 = bitcast i8* %27 to void ()** ; <void ()**> [#uses=1] |
| %29 = load void ()** %28, align 8 ; <void ()*> [#uses=1] |
| store void ()* %29, void ()** %old, align 8 |
| store i32 0, i32* %i, align 4 |
| br label %bb9 |
| |
| bb5: ; preds = %bb9 |
| %30 = load void ()** %old, align 8 ; <void ()*> [#uses=1] |
| call void %30() nounwind |
| %31 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1] |
| %32 = getelementptr inbounds %struct.__va_list_tag* %31, i32 0, i32 0 ; <i32*> [#uses=1] |
| %33 = load i32* %32, align 8 ; <i32> [#uses=1] |
| %34 = icmp uge i32 %33, 48 ; <i1> [#uses=1] |
| br i1 %34, label %bb7, label %bb6 |
| |
| bb6: ; preds = %bb5 |
| %35 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1] |
| %36 = getelementptr inbounds %struct.__va_list_tag* %35, i32 0, i32 3 ; <i8**> [#uses=1] |
| %37 = load i8** %36, align 8 ; <i8*> [#uses=1] |
| %38 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1] |
| %39 = getelementptr inbounds %struct.__va_list_tag* %38, i32 0, i32 0 ; <i32*> [#uses=1] |
| %40 = load i32* %39, align 8 ; <i32> [#uses=1] |
| %41 = inttoptr i32 %40 to i8* ; <i8*> [#uses=1] |
| %42 = ptrtoint i8* %37 to i64 ; <i64> [#uses=1] |
| %43 = ptrtoint i8* %41 to i64 ; <i64> [#uses=1] |
| %44 = add i64 %42, %43 ; <i64> [#uses=1] |
| %45 = inttoptr i64 %44 to i8* ; <i8*> [#uses=1] |
| store i8* %45, i8** %addr.2, align 8 |
| %46 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1] |
| %47 = getelementptr inbounds %struct.__va_list_tag* %46, i32 0, i32 0 ; <i32*> [#uses=1] |
| %48 = load i32* %47, align 8 ; <i32> [#uses=1] |
| %49 = add i32 %48, 8 ; <i32> [#uses=1] |
| %50 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1] |
| %51 = getelementptr inbounds %struct.__va_list_tag* %50, i32 0, i32 0 ; <i32*> [#uses=1] |
| store i32 %49, i32* %51, align 8 |
| br label %bb8 |
| |
| bb7: ; preds = %bb5 |
| %52 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1] |
| %53 = getelementptr inbounds %struct.__va_list_tag* %52, i32 0, i32 2 ; <i8**> [#uses=1] |
| %54 = load i8** %53, align 8 ; <i8*> [#uses=2] |
| store i8* %54, i8** %addr.2, align 8 |
| %55 = getelementptr inbounds i8* %54, i64 8 ; <i8*> [#uses=1] |
| %56 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1] |
| %57 = getelementptr inbounds %struct.__va_list_tag* %56, i32 0, i32 2 ; <i8**> [#uses=1] |
| store i8* %55, i8** %57, align 8 |
| br label %bb8 |
| |
| bb8: ; preds = %bb7, %bb6 |
| %58 = load i8** %addr.2, align 8 ; <i8*> [#uses=1] |
| %59 = bitcast i8* %58 to i8** ; <i8**> [#uses=1] |
| %60 = load i8** %59, align 8 ; <i8*> [#uses=1] |
| %61 = bitcast i8* %60 to void ()* ; <void ()*> [#uses=1] |
| store void ()* %61, void ()** %old, align 8 |
| %62 = load i32* %i, align 4 ; <i32> [#uses=1] |
| %63 = add nsw i32 %62, 1 ; <i32> [#uses=1] |
| store i32 %63, i32* %i, align 4 |
| br label %bb9 |
| |
| bb9: ; preds = %bb8, %bb4 |
| %64 = load i32* %i, align 4 ; <i32> [#uses=1] |
| %65 = load i32* %count_addr, align 4 ; <i32> [#uses=1] |
| %66 = icmp slt i32 %64, %65 ; <i1> [#uses=1] |
| br i1 %66, label %bb5, label %bb10 |
| |
| bb10: ; preds = %bb9 |
| %ap11 = bitcast [1 x %struct.__va_list_tag]* %ap to %struct.__va_list_tag* ; <%struct.__va_list_tag*> [#uses=1] |
| %ap1112 = bitcast %struct.__va_list_tag* %ap11 to i8* ; <i8*> [#uses=1] |
| call void @llvm.va_end(i8* %ap1112) |
| br label %return |
| |
| return: ; preds = %bb10 |
| ret void |
| } |
| |
| declare void @llvm.va_start(i8*) nounwind |
| |
| declare void @llvm.va_end(i8*) nounwind |
| |
| define i32 @main() nounwind { |
| entry: |
| %retval = alloca i32 ; <i32*> [#uses=2] |
| %0 = alloca i32 ; <i32*> [#uses=2] |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| call void (i32, ...)* @assign(i32 2, void ()* @A, void ()* @B) nounwind |
| store i32 1, i32* %0, align 4 |
| %1 = load i32* %0, align 4 ; <i32> [#uses=1] |
| store i32 %1, i32* %retval, align 4 |
| br label %return |
| |
| return: ; preds = %entry |
| %retval1 = load i32* %retval ; <i32> [#uses=1] |
| ret i32 %retval1 |
| } |