; RUN: opt < %s -disable-output "-passes=print<da>" -aa-pipeline=basic-aa 2>&1 \ ; RUN: | FileCheck %s -check-prefix=DELIN 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-S128" target triple = "x86_64-apple-macosx10.6.0" ; for (int i = 0; i < 100; ++i) { ; int t0 = a[i][i]; ; int t1 = t0 + 1; ; a[i][5] = t1; ; } ; The subscript 5 in a[i][5] is deliberately an i32, mismatching the types of ; other subscript. DependenceAnalysis before the fix crashed due to this ; mismatch. define void @i32_subscript([100 x [100 x i32]]* %a, i32* %b) { ; DELIN-LABEL: 'Dependence Analysis' for function 'i32_subscript' entry: br label %for.body for.body: ; DELIN: da analyze - none! ; DELIN: da analyze - anti [=|<]! ; DELIN: da analyze - none! %i = phi i64 [ 0, %entry ], [ %i.inc, %for.body ] %a.addr = getelementptr [100 x [100 x i32]], [100 x [100 x i32]]* %a, i64 0, i64 %i, i64 %i %a.addr.2 = getelementptr [100 x [100 x i32]], [100 x [100 x i32]]* %a, i64 0, i64 %i, i32 5 %0 = load i32, i32* %a.addr, align 4 %1 = add i32 %0, 1 store i32 %1, i32* %a.addr.2, align 4 %i.inc = add nsw i64 %i, 1 %exitcond = icmp ne i64 %i.inc, 100 br i1 %exitcond, label %for.body, label %for.end for.end: ret void } ; unsigned i, j; ; for (i = 1; i < SIZE; i++) { ; for (j = i; j < SIZE; j++) { ; a[i][j] = a[i+1][j-1] + 2; ; } ; } ; Extends the previous example to coupled MIV subscripts. @a = global [10004 x [10004 x i32]] zeroinitializer, align 16 ; Function Attrs: nounwind uwtable define void @coupled_miv_type_mismatch(i32 %n) #0 { ; DELIN-LABEL: 'Dependence Analysis' for function 'coupled_miv_type_mismatch' entry: br label %for.cond ; DELIN: da analyze - input [* *]! ; DELIN: da analyze - anti [* *|<]! ; DELIN: da analyze - none! for.cond: ; preds = %for.inc11, %entry %indvars.iv11 = phi i64 [ %indvars.iv.next12, %for.inc11 ], [ 1, %entry ] %exitcond14 = icmp ne i64 %indvars.iv11, 10000 br i1 %exitcond14, label %for.cond1.preheader, label %for.end13 for.cond1.preheader: ; preds = %for.cond %0 = trunc i64 %indvars.iv11 to i32 br label %for.cond1 for.cond1: ; preds = %for.cond1.preheader, %for.body3 %indvars.iv8 = phi i64 [ %indvars.iv11, %for.cond1.preheader ], [ %indvars.iv.next9, %for.body3 ] %j.0 = phi i32 [ %inc, %for.body3 ], [ %0, %for.cond1.preheader ] %lftr.wideiv = trunc i64 %indvars.iv8 to i32 %exitcond = icmp ne i32 %lftr.wideiv, 10000 br i1 %exitcond, label %for.body3, label %for.inc11 for.body3: ; preds = %for.cond1 %sub = add nsw i32 %j.0, -1 %idxprom = zext i32 %sub to i64 %1 = add nuw nsw i64 %indvars.iv11, 1 %arrayidx5 = getelementptr inbounds [10004 x [10004 x i32]], [10004 x [10004 x i32]]* @a, i64 0, i64 %1, i64 %idxprom %2 = load i32, i32* %arrayidx5, align 4 %add6 = add nsw i32 %2, 2 %arrayidx10 = getelementptr inbounds [10004 x [10004 x i32]], [10004 x [10004 x i32]]* @a, i64 0, i64 %indvars.iv11, i64 %indvars.iv8 store i32 %add6, i32* %arrayidx10, align 4 %indvars.iv.next9 = add nuw nsw i64 %indvars.iv8, 1 %inc = add nuw nsw i32 %j.0, 1 br label %for.cond1 for.inc11: ; preds = %for.cond1 %indvars.iv.next12 = add nuw nsw i64 %indvars.iv11, 1 br label %for.cond for.end13: ; preds = %for.cond ret void } attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" } !llvm.ident = !{!0} !0 = !{!"clang version 3.7.0"}