[compiler-rt] r268981 - [MSan] Add a test for vararg with lots of non-vararg arguments.
Marcin Koscielnicki via llvm-commits
llvm-commits at lists.llvm.org
Mon May 9 14:53:48 PDT 2016
Author: koriakin
Date: Mon May 9 16:53:47 2016
New Revision: 268981
URL: http://llvm.org/viewvc/llvm-project?rev=268981&view=rev
Log:
[MSan] Add a test for vararg with lots of non-vararg arguments.
This is a testcase for http://llvm.org/PR27646, hitting the bug on x86_64,
aarch64, mips.
Differential Revision: http://reviews.llvm.org/D19944
Modified:
compiler-rt/trunk/lib/msan/tests/msan_test.cc
Modified: compiler-rt/trunk/lib/msan/tests/msan_test.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/msan/tests/msan_test.cc?rev=268981&r1=268980&r2=268981&view=diff
==============================================================================
--- compiler-rt/trunk/lib/msan/tests/msan_test.cc (original)
+++ compiler-rt/trunk/lib/msan/tests/msan_test.cc Mon May 9 16:53:47 2016
@@ -2462,6 +2462,20 @@ TEST(MemorySanitizer, VAArgManyTest) {
vaargsfn_many(1, 2, *x, 3, 4, 5, 6, 7, 8, 9, *y);
}
+static void vaargsfn_manyfix(int g1, int g2, int g3, int g4, int g5, int g6, int g7, int g8, int g9, ...) {
+ va_list vl;
+ va_start(vl, g9);
+ EXPECT_NOT_POISONED(va_arg(vl, int));
+ EXPECT_POISONED(va_arg(vl, int));
+ va_end(vl);
+}
+
+TEST(MemorySanitizer, VAArgManyFixTest) {
+ int* x = GetPoisoned<int>();
+ int* y = GetPoisoned<int>();
+ vaargsfn_manyfix(1, *x, 3, 4, 5, 6, 7, 8, 9, 10, *y);
+}
+
static void vaargsfn_pass2(va_list vl) {
EXPECT_NOT_POISONED(va_arg(vl, int));
EXPECT_NOT_POISONED(va_arg(vl, int));
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