| ; ModuleID = 'va_copy.c' |
| 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" |
| ; Verify all the passes run on this |
| ;RUN: dsaopt %s -dsa-local -disable-output |
| ;RUN: dsaopt %s -dsa-bu -disable-output |
| ;RUN: dsaopt %s -dsa-td -disable-output |
| ;RUN: dsaopt %s -dsa-eq -disable-output |
| ; Verify that val1 and val2 are merged |
| ;RUN: dsaopt %s -dsa-local -analyze -check-same-node "val1:0,val2:0" |
| |
| %struct.__va_list_tag = type { i32, i32, i8*, i8* } |
| |
| @val1 = common global i32* null ; <i32**> [#uses=2] |
| @val2 = common global i32* null ; <i32**> [#uses=2] |
| |
| define internal i32 @get(i32 %unused, ...) nounwind { |
| entry: |
| %unused_addr = alloca i32 ; <i32*> [#uses=1] |
| %retval = alloca i32 ; <i32*> [#uses=2] |
| %0 = 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=10] |
| %ap_copy = alloca [1 x %struct.__va_list_tag] ; <[1 x %struct.__va_list_tag]*> [#uses=9] |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| store i32 %unused, i32* %unused_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) |
| %ap_copy3 = bitcast [1 x %struct.__va_list_tag]* %ap_copy to %struct.__va_list_tag* ; <%struct.__va_list_tag*> [#uses=1] |
| %ap4 = bitcast [1 x %struct.__va_list_tag]* %ap to %struct.__va_list_tag* ; <%struct.__va_list_tag*> [#uses=1] |
| %ap_copy35 = bitcast %struct.__va_list_tag* %ap_copy3 to i8* ; <i8*> [#uses=1] |
| %ap46 = bitcast %struct.__va_list_tag* %ap4 to i8* ; <i8*> [#uses=1] |
| call void @llvm.va_copy(i8* %ap_copy35, i8* %ap46) |
| %1 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1] |
| %2 = getelementptr inbounds %struct.__va_list_tag* %1, i32 0, i32 0 ; <i32*> [#uses=1] |
| %3 = load i32* %2, align 8 ; <i32> [#uses=1] |
| %4 = icmp uge i32 %3, 48 ; <i1> [#uses=1] |
| br i1 %4, label %bb7, label %bb |
| |
| bb: ; preds = %entry |
| %5 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1] |
| %6 = getelementptr inbounds %struct.__va_list_tag* %5, i32 0, i32 3 ; <i8**> [#uses=1] |
| %7 = load i8** %6, align 8 ; <i8*> [#uses=1] |
| %8 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1] |
| %9 = getelementptr inbounds %struct.__va_list_tag* %8, i32 0, i32 0 ; <i32*> [#uses=1] |
| %10 = load i32* %9, align 8 ; <i32> [#uses=1] |
| %11 = inttoptr i32 %10 to i8* ; <i8*> [#uses=1] |
| %12 = ptrtoint i8* %7 to i64 ; <i64> [#uses=1] |
| %13 = ptrtoint i8* %11 to i64 ; <i64> [#uses=1] |
| %14 = add i64 %12, %13 ; <i64> [#uses=1] |
| %15 = inttoptr i64 %14 to i8* ; <i8*> [#uses=1] |
| store i8* %15, i8** %addr.0, align 8 |
| %16 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1] |
| %17 = getelementptr inbounds %struct.__va_list_tag* %16, i32 0, i32 0 ; <i32*> [#uses=1] |
| %18 = load i32* %17, align 8 ; <i32> [#uses=1] |
| %19 = add i32 %18, 8 ; <i32> [#uses=1] |
| %20 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1] |
| %21 = getelementptr inbounds %struct.__va_list_tag* %20, i32 0, i32 0 ; <i32*> [#uses=1] |
| store i32 %19, i32* %21, align 8 |
| br label %bb8 |
| |
| bb7: ; preds = %entry |
| %22 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1] |
| %23 = getelementptr inbounds %struct.__va_list_tag* %22, i32 0, i32 2 ; <i8**> [#uses=1] |
| %24 = load i8** %23, align 8 ; <i8*> [#uses=2] |
| store i8* %24, i8** %addr.0, align 8 |
| %25 = getelementptr inbounds i8* %24, i64 8 ; <i8*> [#uses=1] |
| %26 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0 ; <%struct.__va_list_tag*> [#uses=1] |
| %27 = getelementptr inbounds %struct.__va_list_tag* %26, i32 0, i32 2 ; <i8**> [#uses=1] |
| store i8* %25, i8** %27, align 8 |
| br label %bb8 |
| |
| bb8: ; preds = %bb7, %bb |
| %28 = load i8** %addr.0, align 8 ; <i8*> [#uses=1] |
| %29 = bitcast i8* %28 to i32** ; <i32**> [#uses=1] |
| %30 = load i32** %29, align 8 ; <i32*> [#uses=1] |
| store i32* %30, i32** @val1, align 8 |
| %ap9 = bitcast [1 x %struct.__va_list_tag]* %ap to %struct.__va_list_tag* ; <%struct.__va_list_tag*> [#uses=1] |
| %ap910 = bitcast %struct.__va_list_tag* %ap9 to i8* ; <i8*> [#uses=1] |
| call void @llvm.va_end(i8* %ap910) |
| %31 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap_copy, 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 %bb12, label %bb11 |
| |
| bb11: ; preds = %bb8 |
| %35 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap_copy, 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_copy, 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_copy, 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_copy, 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 %bb13 |
| |
| bb12: ; preds = %bb8 |
| %52 = getelementptr inbounds [1 x %struct.__va_list_tag]* %ap_copy, 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_copy, 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 %bb13 |
| |
| bb13: ; preds = %bb12, %bb11 |
| %58 = load i8** %addr.2, align 8 ; <i8*> [#uses=1] |
| %59 = bitcast i8* %58 to i32** ; <i32**> [#uses=1] |
| %60 = load i32** %59, align 8 ; <i32*> [#uses=1] |
| store i32* %60, i32** @val2, align 8 |
| %ap_copy14 = bitcast [1 x %struct.__va_list_tag]* %ap_copy to %struct.__va_list_tag* ; <%struct.__va_list_tag*> [#uses=1] |
| %ap_copy1415 = bitcast %struct.__va_list_tag* %ap_copy14 to i8* ; <i8*> [#uses=1] |
| call void @llvm.va_end(i8* %ap_copy1415) |
| %61 = load i32** @val1, align 8 ; <i32*> [#uses=1] |
| %62 = load i32* %61, align 4 ; <i32> [#uses=1] |
| %63 = load i32** @val2, align 8 ; <i32*> [#uses=1] |
| %64 = load i32* %63, align 4 ; <i32> [#uses=1] |
| %65 = sub nsw i32 %62, %64 ; <i32> [#uses=1] |
| store i32 %65, i32* %0, align 4 |
| %66 = load i32* %0, align 4 ; <i32> [#uses=1] |
| store i32 %66, i32* %retval, align 4 |
| br label %return |
| |
| return: ; preds = %bb13 |
| %retval16 = load i32* %retval ; <i32> [#uses=1] |
| ret i32 %retval16 |
| } |
| |
| declare void @llvm.va_start(i8*) nounwind |
| |
| declare void @llvm.va_copy(i8*, 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] |
| %stack_val = alloca i32 ; <i32*> [#uses=2] |
| %ret = alloca i32 ; <i32*> [#uses=2] |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| store i32 5, i32* %stack_val, align 4 |
| %1 = call i32 (i32, ...)* @get(i32 0, i32* %stack_val) nounwind ; <i32> [#uses=1] |
| store i32 %1, i32* %ret, align 4 |
| %2 = load i32* %ret, align 4 ; <i32> [#uses=1] |
| store i32 %2, i32* %0, align 4 |
| %3 = load i32* %0, align 4 ; <i32> [#uses=1] |
| store i32 %3, i32* %retval, align 4 |
| br label %return |
| |
| return: ; preds = %entry |
| %retval1 = load i32* %retval ; <i32> [#uses=1] |
| ret i32 %retval1 |
| } |