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| author | dim <dim@FreeBSD.org> | 2016-01-06 20:02:26 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2016-01-06 20:02:26 +0000 |
| commit | fc74ff5a0792641885551a63d9ddf8cbfdf76e3c (patch) | |
| tree | 955a1295c3fd4378a49478ad5835ca21b769417e /test/CodeGen/nobuiltin.c | |
| parent | 3176e97f130184ece0e1a21352c8124cc83ff24a (diff) | |
| download | FreeBSD-src-fc74ff5a0792641885551a63d9ddf8cbfdf76e3c.zip FreeBSD-src-fc74ff5a0792641885551a63d9ddf8cbfdf76e3c.tar.gz | |
Vendor import of clang trunk r256945:
https://llvm.org/svn/llvm-project/cfe/trunk@256945
Diffstat (limited to 'test/CodeGen/nobuiltin.c')
| -rw-r--r-- | test/CodeGen/nobuiltin.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/test/CodeGen/nobuiltin.c b/test/CodeGen/nobuiltin.c index 0a8e8bb..7cc8164 100644 --- a/test/CodeGen/nobuiltin.c +++ b/test/CodeGen/nobuiltin.c @@ -1,4 +1,5 @@ // RUN: %clang_cc1 -fno-builtin -O1 -S -o - %s | FileCheck %s +// RUN: %clang_cc1 -fno-builtin-memset -O1 -S -o - %s | FileCheck -check-prefix=MEMSET %s void PR13497() { char content[2]; @@ -6,3 +7,11 @@ void PR13497() { // CHECK: __strcpy_chk __builtin___strcpy_chk(content, "", 1); } + +void PR4941(char *s) { + // Make sure we don't optimize this loop to a memset(). + // MEMSET-LABEL: PR4941: + // MEMSET-NOT: memset + for (unsigned i = 0; i < 8192; ++i) + s[i] = 0; +} |
