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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 | 2e72da947c48005ed14ca78f61f7a43abf4c58e9 (patch) | |
| tree | 4078b31e5c9ad55dd1216d360ba63a612c22724f /clang/test/CodeGen/integer-overflow.c | |
| parent | 49d15b959ea449d891f4204914bdcefe4daf79fc (diff) | |
| download | bcm5719-llvm-2e72da947c48005ed14ca78f61f7a43abf4c58e9.tar.gz bcm5719-llvm-2e72da947c48005ed14ca78f61f7a43abf4c58e9.zip | |
-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.
llvm-svn: 126718
Diffstat (limited to 'clang/test/CodeGen/integer-overflow.c')
| -rw-r--r-- | clang/test/CodeGen/integer-overflow.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/clang/test/CodeGen/integer-overflow.c b/clang/test/CodeGen/integer-overflow.c index 103cc8427bb..066ef895744 100644 --- a/clang/test/CodeGen/integer-overflow.c +++ b/clang/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* } |
