| ; 2D array as array of pointers. Array should not be folded. |
| |
| ;RUN: dsaopt %s -dsa-local -analyze -check-type=main:array,0:i32*Array |
| ;RUN: dsaopt %s -dsa-local -analyze -check-type=main:array:0,0:i32Array |
| |
| ; ModuleID = 'arrayPointers1.bc' |
| 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" |
| |
| define void @main() nounwind { |
| entry: |
| %nrows = alloca i32 ; <i32*> [#uses=3] |
| %ncolumns = alloca i32 ; <i32*> [#uses=3] |
| %i = alloca i32 ; <i32*> [#uses=11] |
| %array = alloca [10 x i32*] ; <[10 x i32*]*> [#uses=2] |
| %j = alloca i32 ; <i32*> [#uses=6] |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| store i32 10, i32* %nrows, align 4 |
| store i32 10, i32* %ncolumns, align 4 |
| store i32 0, i32* %i, align 4 |
| br label %bb1 |
| |
| bb: ; preds = %bb1 |
| %0 = load i32* %i, align 4 ; <i32> [#uses=1] |
| %1 = load i32* %ncolumns, align 4 ; <i32> [#uses=1] |
| %2 = sext i32 %1 to i64 ; <i64> [#uses=1] |
| %3 = mul i64 %2, 4 ; <i64> [#uses=1] |
| %4 = call noalias i8* @malloc(i64 %3) nounwind ; <i8*> [#uses=1] |
| %5 = bitcast i8* %4 to i32* ; <i32*> [#uses=1] |
| %6 = sext i32 %0 to i64 ; <i64> [#uses=1] |
| %7 = getelementptr inbounds [10 x i32*]* %array, i64 0, i64 %6 ; <i32**> [#uses=1] |
| store i32* %5, i32** %7, align 8 |
| %8 = load i32* %i, align 4 ; <i32> [#uses=1] |
| %9 = add nsw i32 %8, 1 ; <i32> [#uses=1] |
| store i32 %9, i32* %i, align 4 |
| br label %bb1 |
| |
| bb1: ; preds = %bb, %entry |
| %10 = load i32* %i, align 4 ; <i32> [#uses=1] |
| %11 = load i32* %nrows, align 4 ; <i32> [#uses=1] |
| %12 = icmp slt i32 %10, %11 ; <i1> [#uses=1] |
| br i1 %12, label %bb, label %bb2 |
| |
| bb2: ; preds = %bb1 |
| store i32 0, i32* %i, align 4 |
| br label %bb7 |
| |
| bb3: ; preds = %bb7 |
| store i32 0, i32* %j, align 4 |
| br label %bb5 |
| |
| bb4: ; preds = %bb5 |
| %13 = load i32* %i, align 4 ; <i32> [#uses=1] |
| %14 = sext i32 %13 to i64 ; <i64> [#uses=1] |
| %15 = getelementptr inbounds [10 x i32*]* %array, i64 0, i64 %14 ; <i32**> [#uses=1] |
| %16 = load i32** %15, align 8 ; <i32*> [#uses=1] |
| %17 = load i32* %i, align 4 ; <i32> [#uses=1] |
| %18 = load i32* %j, align 4 ; <i32> [#uses=1] |
| %19 = add nsw i32 %17, %18 ; <i32> [#uses=1] |
| %20 = load i32* %j, align 4 ; <i32> [#uses=1] |
| %21 = sext i32 %20 to i64 ; <i64> [#uses=1] |
| %22 = getelementptr inbounds i32* %16, i64 %21 ; <i32*> [#uses=1] |
| store i32 %19, i32* %22, align 1 |
| %23 = load i32* %j, align 4 ; <i32> [#uses=1] |
| %24 = add nsw i32 %23, 1 ; <i32> [#uses=1] |
| store i32 %24, i32* %j, align 4 |
| br label %bb5 |
| |
| bb5: ; preds = %bb4, %bb3 |
| %25 = load i32* %j, align 4 ; <i32> [#uses=1] |
| %26 = load i32* %ncolumns, align 4 ; <i32> [#uses=1] |
| %27 = icmp slt i32 %25, %26 ; <i1> [#uses=1] |
| br i1 %27, label %bb4, label %bb6 |
| |
| bb6: ; preds = %bb5 |
| %28 = load i32* %i, align 4 ; <i32> [#uses=1] |
| %29 = add nsw i32 %28, 1 ; <i32> [#uses=1] |
| store i32 %29, i32* %i, align 4 |
| br label %bb7 |
| |
| bb7: ; preds = %bb6, %bb2 |
| %30 = load i32* %i, align 4 ; <i32> [#uses=1] |
| %31 = load i32* %nrows, align 4 ; <i32> [#uses=1] |
| %32 = icmp slt i32 %30, %31 ; <i1> [#uses=1] |
| br i1 %32, label %bb3, label %bb8 |
| |
| bb8: ; preds = %bb7 |
| br label %return |
| |
| return: ; preds = %bb8 |
| ret void |
| } |
| |
| declare noalias i8* @malloc(i64) nounwind |