1 files changed, 40 insertions, 0 deletions
diff --git a/test/Analysis/DependenceAnalysis/NonCanonicalizedSubscript.ll b/test/Analysis/DependenceAnalysis/NonCanonicalizedSubscript.ll
new file mode 100644
index 0000000..95e5e52
--- /dev/null
+++ b/test/Analysis/DependenceAnalysis/NonCanonicalizedSubscript.ll
@@ -0,0 +1,40 @@
+; RUN: opt < %s -analyze -basicaa -da -da-delinearize=false | FileCheck %s
+; RUN: opt < %s -analyze -basicaa -da -da-delinearize | 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) {
+; CHECK-LABEL: 'Dependence Analysis' for function 'i32_subscript'
+; DELIN-LABEL: 'Dependence Analysis' for function 'i32_subscript'
+entry:
+  br label %for.body
+
+for.body:
+; CHECK: da analyze - none!
+; CHECK: da analyze - anti [=|<]!
+; CHECK: da analyze - none!
+; 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]]* %a, i64 0, i64 %i, i64 %i
+  %a.addr.2 = getelementptr [100 x [100 x i32]]* %a, i64 0, i64 %i, i32 5
+  %0 = load 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
+}