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authorStephen Hines <srhines@google.com>2014-12-01 14:51:49 -0800
committerStephen Hines <srhines@google.com>2014-12-02 16:08:10 -0800
commit37ed9c199ca639565f6ce88105f9e39e898d82d0 (patch)
tree8fb36d3910e3ee4c4e1b7422f4f017108efc52f5 /test/Analysis/DependenceAnalysis
parentd2327b22152ced7bc46dc629fc908959e8a52d03 (diff)
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Update aosp/master LLVM for rebase to r222494.
Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
Diffstat (limited to 'test/Analysis/DependenceAnalysis')
-rw-r--r--test/Analysis/DependenceAnalysis/NonCanonicalizedSubscript.ll40
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
+}