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authordim <dim@FreeBSD.org>2011-05-02 19:39:53 +0000
committerdim <dim@FreeBSD.org>2011-05-02 19:39:53 +0000
commit110eaaceddcec790f7e6a5e3bf1261c9aa1e73ab (patch)
tree64a10f4c4154739d4a8191d7e1b52ce497f4ebd6 /test/CodeGen/integer-overflow.c
parenta0fb00f9837bd0d2e5948f16f6a6b82a7a628f51 (diff)
downloadFreeBSD-src-110eaaceddcec790f7e6a5e3bf1261c9aa1e73ab.zip
FreeBSD-src-110eaaceddcec790f7e6a5e3bf1261c9aa1e73ab.tar.gz
Vendor import of clang trunk r130700:
http://llvm.org/svn/llvm-project/cfe/trunk@130700
Diffstat (limited to 'test/CodeGen/integer-overflow.c')
-rw-r--r--test/CodeGen/integer-overflow.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/test/CodeGen/integer-overflow.c b/test/CodeGen/integer-overflow.c
index 103cc84..1d46065 100644
--- a/test/CodeGen/integer-overflow.c
+++ b/test/CodeGen/integer-overflow.c
@@ -49,4 +49,18 @@ void test1() {
// TRAPV: llvm.sadd.with.overflow.i32({{.*}}, i32 -1)
// TRAPV_HANDLER: foo(
--a;
+
+ // -fwrapv should turn off inbounds for GEP's, PR9256
+ extern int* P;
+ ++P;
+ // DEFAULT: getelementptr inbounds i32*
+ // WRAPV: getelementptr i32*
+ // TRAPV: getelementptr inbounds i32*
+
+ // PR9350: char increment never overflows.
+ extern volatile signed char PR9350;
+ // DEFAULT: add i8 {{.*}}, 1
+ // WRAPV: add i8 {{.*}}, 1
+ // TRAPV: add i8 {{.*}}, 1
+ ++PR9350;
}
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