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| author | Mike Stump <mrs@apple.com> | 2009-10-26 21:38:39 +0000 |
|---|---|---|
| committer | Mike Stump <mrs@apple.com> | 2009-10-26 21:38:39 +0000 |
| commit | 10bd7e1c5b355a193a59e3b3fdfe632f4d977c52 (patch) | |
| tree | 14246152bf302c87659890a166751a1e20750710 /clang/test/CodeGen | |
| parent | 72af806797ebbd73173fb15a0c43de339646e771 (diff) | |
| download | bcm5719-llvm-10bd7e1c5b355a193a59e3b3fdfe632f4d977c52.tar.gz bcm5719-llvm-10bd7e1c5b355a193a59e3b3fdfe632f4d977c52.zip | |
__builtin_object_size refinements. When we run out of object, be sure
to clamp at 0 bytes left. WIP.
llvm-svn: 85157
Diffstat (limited to 'clang/test/CodeGen')
| -rw-r--r-- | clang/test/CodeGen/object-size.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/clang/test/CodeGen/object-size.c b/clang/test/CodeGen/object-size.c index b6861169893..36dc341e932 100644 --- a/clang/test/CodeGen/object-size.c +++ b/clang/test/CodeGen/object-size.c @@ -21,13 +21,29 @@ void test2() { strcpy(gbuf, "Hi there"); } +void test3() { + // CHECK: movabsq $0, %rdx + // CHECK-NEXT: movq %rax, %rdi + // CHECK-NEXT: movq %rcx, %rsi + // CHECK-NEXT: call ___strcpy_chk + strcpy(&gbuf[100], "Hi there"); +} + void test4() { + // CHECK: movabsq $0, %rdx + // CHECK-NEXT: movq %rax, %rdi + // CHECK-NEXT: movq %rcx, %rsi + // CHECK-NEXT: call ___strcpy_chk + strcpy((char*)(void*)&gbuf[-1], "Hi there"); +} + +void test5() { // CHECK: call ___inline_strcpy_chk - strcpy(gp, "Hi"); + strcpy(gp, "Hi there"); } -void test3() { +void test6() { int i; // CHECK: call ___inline_strcpy_chk - strcpy((++i, gbuf), "Hi"); + strcpy((++i, gbuf), "Hi there"); } |
