| ; ModuleID = 'basic.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 |
| ;=== Local Tests === |
| ; Verify VAStart flag |
| ;RUN: dsaopt %s -dsa-local -analyze -verify-flags "get:ap+V" |
| ; Don't propagate the VAStart flag to children... |
| ;RUN: dsaopt %s -dsa-local -analyze -verify-flags "get:ap:8-V" |
| ;RUN: dsaopt %s -dsa-local -analyze -verify-flags "get:ap:16-V" |
| ; On 64-bit, VAStart node should be a struct pointing to an array of the arguments |
| ;RUN: dsaopt %s -dsa-local -analyze -check-type=get:ap:8,FoldedVOID |
| ; Both offsets 8 and 16 point to the array as a simplification. |
| ; Verify that these are indeed the same node. |
| ;RUN: dsaopt %s -dsa-local -analyze -check-same-node \ |
| ;RUN: "get:ap:8,get:ap:16" |
| ; And the argument node should be of the proper type (in this case an i32) |
| ;RUN: dsaopt %s -dsa-local -analyze -check-type=get:ap:8:0,0:i32 |
| ; The argument should be ref'd, but not mod'd |
| ;RUN: dsaopt %s -dsa-local -analyze --verify-flags "get:ap:8:0+R-M" |
| |
| %struct.__va_list_tag = type { i32, i32, i8*, i8* } |
| |
| 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.0 = alloca i8* ; <i8**> [#uses=3] |
| %ap = alloca [1 x %struct.__va_list_tag] ; <[1 x %struct.__va_list_tag]*> [#uses=9] |
| %val = alloca i32* ; <i32**> [#uses=2] |
| %"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) |
| %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 %bb3, 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 %bb4 |
| |
| bb3: ; 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 %bb4 |
| |
| bb4: ; preds = %bb3, %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** %val, align 8 |
| %ap5 = bitcast [1 x %struct.__va_list_tag]* %ap to %struct.__va_list_tag* ; <%struct.__va_list_tag*> [#uses=1] |
| %ap56 = bitcast %struct.__va_list_tag* %ap5 to i8* ; <i8*> [#uses=1] |
| call void @llvm.va_end(i8* %ap56) |
| %31 = load i32** %val, align 8 ; <i32*> [#uses=1] |
| %32 = load i32* %31, align 4 ; <i32> [#uses=1] |
| store i32 %32, i32* %0, align 4 |
| %33 = load i32* %0, align 4 ; <i32> [#uses=1] |
| store i32 %33, i32* %retval, align 4 |
| br label %return |
| |
| return: ; preds = %bb4 |
| %retval7 = load i32* %retval ; <i32> [#uses=1] |
| ret i32 %retval7 |
| } |
| |
| 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] |
| %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] |
| %3 = sub nsw i32 %2, 5 ; <i32> [#uses=1] |
| store i32 %3, i32* %0, align 4 |
| %4 = load i32* %0, align 4 ; <i32> [#uses=1] |
| store i32 %4, i32* %retval, align 4 |
| br label %return |
| |
| return: ; preds = %entry |
| %retval1 = load i32* %retval ; <i32> [#uses=1] |
| ret i32 %retval1 |
| } |