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authorChristopher Lamb <christopher.lamb@gmail.com>2007-08-02 01:18:14 +0000
committerChristopher Lamb <christopher.lamb@gmail.com>2007-08-02 01:18:14 +0000
commit406bfa3e21e8fab3deab240c30c763e78eddf2f5 (patch)
tree589affc9709d498e55ec8ebb5994063773431aa6 /test/Analysis
parent8409747efadda025aa3cce626b1a2c33429fd5e5 (diff)
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Teach BasicAA about noalias parameter attributes, but do it correctly this time.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40711 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Analysis')
-rw-r--r--test/Analysis/BasicAA/2007-08-01-NoAliasAndCalls.ll10
-rw-r--r--test/Analysis/BasicAA/2007-08-01-NoAliasAndGEP.ll17
2 files changed, 27 insertions, 0 deletions
diff --git a/test/Analysis/BasicAA/2007-08-01-NoAliasAndCalls.ll b/test/Analysis/BasicAA/2007-08-01-NoAliasAndCalls.ll
new file mode 100644
index 0000000..072bfd9
--- /dev/null
+++ b/test/Analysis/BasicAA/2007-08-01-NoAliasAndCalls.ll
@@ -0,0 +1,10 @@
+; RUN: llvm-as %s -o - | opt -basicaa -aa-eval -print-all-alias-modref-info -disable-output &| grep 'MayAlias: i32* %y, i32* %x'
+
+declare i32* @unclear(i32* %a)
+
+define void @foo(i32* noalias %x) {
+ %y = call i32* @unclear(i32* %x)
+ store i32 0, i32* %x
+ store i32 0, i32* %y
+ ret void
+}
diff --git a/test/Analysis/BasicAA/2007-08-01-NoAliasAndGEP.ll b/test/Analysis/BasicAA/2007-08-01-NoAliasAndGEP.ll
new file mode 100644
index 0000000..8cc9f06
--- /dev/null
+++ b/test/Analysis/BasicAA/2007-08-01-NoAliasAndGEP.ll
@@ -0,0 +1,17 @@
+; RUN: llvm-as %s -o - | opt -basicaa -aa-eval -print-all-alias-modref-info -disable-output &| grep '9 no alias'
+; RUN: llvm-as %s -o - | opt -basicaa -aa-eval -print-all-alias-modref-info -disable-output &| grep '6 may alias'
+; RUN: llvm-as %s -o - | opt -basicaa -aa-eval -print-all-alias-modref-info -disable-output &| grep 'MayAlias: i32* %pj, i32* %pi'
+
+define void @foo(i32* noalias %p, i32* noalias %q, i32 %i, i32 %j) {
+ %pi = getelementptr i32* %p, i32 %i
+ %qi = getelementptr i32* %q, i32 %i
+ %pj = getelementptr i32* %p, i32 %j
+ %qj = getelementptr i32* %q, i32 %j
+ store i32 0, i32* %p
+ store i32 0, i32* %pi
+ store i32 0, i32* %pj
+ store i32 0, i32* %q
+ store i32 0, i32* %qi
+ store i32 0, i32* %qj
+ ret void
+}