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| author | Chris Lattner <sabre@nondot.org> | 2011-03-01 00:03:48 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2011-03-01 00:03:48 +0000 |
| commit | 2cb4222338669a3e70b546ef264fbd5d3f96aef5 (patch) | |
| tree | 4dbb163717c40652dfcfdc341eae32107af14f5f /test/CodeGen/integer-overflow.c | |
| parent | 5f791bb44417ecc201ed57a85d0fe02001d8a615 (diff) | |
-fwrapv should turn off the inbounds markers from geps used for pointer
arithmetic. This is part of PR9256, it would be great if someone else
wired up -fno-strict-overflow in the driver to -fwrapv.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126718 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/integer-overflow.c')
| -rw-r--r-- | test/CodeGen/integer-overflow.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test/CodeGen/integer-overflow.c b/test/CodeGen/integer-overflow.c index 103cc8427b..066ef89574 100644 --- a/test/CodeGen/integer-overflow.c +++ b/test/CodeGen/integer-overflow.c @@ -49,4 +49,12 @@ 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* } |