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| author | Chris Lattner <sabre@nondot.org> | 2008-05-02 22:07:34 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2008-05-02 22:07:34 +0000 |
| commit | 4d5b8ccd0717a08dd24d17709d2b9d15a4ecf003 (patch) | |
| tree | 76193af0d39ee495c7cf1eb28f8abbb4c9305bd5 /test | |
| parent | 866b9e1520279303bc24b2fb4f709dc62ad7c96d (diff) | |
| download | llvm-4d5b8ccd0717a08dd24d17709d2b9d15a4ecf003.tar.gz llvm-4d5b8ccd0717a08dd24d17709d2b9d15a4ecf003.tar.bz2 llvm-4d5b8ccd0717a08dd24d17709d2b9d15a4ecf003.tar.xz | |
verify builtin optimization works like gcc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50594 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CFrontend/libcalls.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/test/CFrontend/libcalls.c b/test/CFrontend/libcalls.c new file mode 100644 index 0000000000..c027ea4125 --- /dev/null +++ b/test/CFrontend/libcalls.c @@ -0,0 +1,10 @@ +// llvm-gcc -O1+ should run simplify libcalls, O0 shouldn't +// and -fno-builtins shouldn't. +// RUN: %llvmgcc %s -S -emit-llvm -O0 -o - | grep {call.*exp2f} +// RUN: %llvmgcc %s -S -emit-llvm -O1 -o - | grep {call.*ldexp} +// RUN: %llvmgcc %s -S -emit-llvm -O3 -fno-builtin -o - | grep {call.*exp2f} + +float t4(unsigned char x) { + return exp2f(x); +} + |