Testcase for llvm.c* intrinsic failures.

llvm-svn: 41268
2007-08-22 07:26:30 +00:00 · 2007-08-22 07:26:30 +00:00 · 9bbecaeb55
parent f265939ebc
commit 9bbecaeb55
1 changed files with 6 additions and 0 deletions
--- a/llvm/test/CFrontend/2007-08-22-CTTZ.c
+++ b/llvm/test/CFrontend/2007-08-22-CTTZ.c
@ -0,0 +1,6 @@
+// RUN: %llvmgcc -O2 -S -o - -emit-llvm %s | grep {llvm.cttz.i64} | count 1
+// RUN: %llvmgcc -O2 -S -o - -emit-llvm %s | not grep {lshr}
+
+int bork(unsigned long long x) {
+  return __builtin_ctzll(x);
+}