diff options
| author | Chris Lattner <sabre@nondot.org> | 2012-03-04 00:56:24 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2012-03-04 00:56:24 +0000 |
| commit | 5bd20ffcfefcfb2e5fd0cb1c9716cbccc4c6c3be (patch) | |
| tree | 6f191539cbba1a673559d88c86ec7e9e71c301da /test/CodeGen | |
| parent | d6e73569ccf09369f9bd2021d53c88e7bded06e3 (diff) | |
From his comment in PR12168, Eli seems confused about the alignment assumptions
we're making. We only ignore implicit casts. Add a testcase showing that
we get the right behavior with explicit casts.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151994 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen')
| -rw-r--r-- | test/CodeGen/builtin-memfns.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/test/CodeGen/builtin-memfns.c b/test/CodeGen/builtin-memfns.c index e4389f6211..72d340619f 100644 --- a/test/CodeGen/builtin-memfns.c +++ b/test/CodeGen/builtin-memfns.c @@ -52,9 +52,13 @@ int test6(char *X) { // CHECK: @test7 // PR12094 int test7(int *p) { + struct snd_pcm_hw_params_t* hwparams; // incomplete type. + // CHECK: call void @llvm.memset{{.*}}256, i32 4, i1 false) __builtin_memset(p, 0, 256); // Should be alignment = 4 - struct snd_pcm_hw_params_t* hwparams; // incomplete type. + + // CHECK: call void @llvm.memset{{.*}}256, i32 1, i1 false) + __builtin_memset((char*)p, 0, 256); // Should be alignment = 1 __builtin_memset(hwparams, 0, 256); // No crash alignment = 1 // CHECK: call void @llvm.memset{{.*}}256, i32 1, i1 false) |