diff options
author | Owen Anderson <resistor@mac.com> | 2010-07-17 06:56:35 +0000 |
---|---|---|
committer | Owen Anderson <resistor@mac.com> | 2010-07-17 06:56:35 +0000 |
commit | 7e3012c34509a5c1e7c891bcadb5caaed462deb1 (patch) | |
tree | 0a563d18717b46ea6a0caf23d57596080784501d /test/Transforms/InstCombine | |
parent | d0f6f017319bbc32b57c2e574d774ac91fe20f18 (diff) | |
download | llvm-7e3012c34509a5c1e7c891bcadb5caaed462deb1.tar.gz llvm-7e3012c34509a5c1e7c891bcadb5caaed462deb1.tar.bz2 llvm-7e3012c34509a5c1e7c891bcadb5caaed462deb1.tar.xz |
Another attempt at getting the clang self-host to like my instcombine patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108614 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/InstCombine')
-rw-r--r-- | test/Transforms/InstCombine/bit-checks.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/bit-checks.ll b/test/Transforms/InstCombine/bit-checks.ll new file mode 100644 index 0000000000..d774c0972d --- /dev/null +++ b/test/Transforms/InstCombine/bit-checks.ll @@ -0,0 +1,26 @@ +; This test makes sure that these instructions are properly eliminated. +; +; RUN: opt < %s -instcombine -S | \ +; RUN: not grep {tobool} +; END. +define i32 @main(i32 %argc, i8** %argv) nounwind ssp { +entry: + %and = and i32 %argc, 1 ; <i32> [#uses=1] + %tobool = icmp ne i32 %and, 0 ; <i1> [#uses=1] + %and2 = and i32 %argc, 2 ; <i32> [#uses=1] + %tobool3 = icmp ne i32 %and2, 0 ; <i1> [#uses=1] + %or.cond = and i1 %tobool, %tobool3 ; <i1> [#uses=1] + %retval.0 = select i1 %or.cond, i32 2, i32 1 ; <i32> [#uses=1] + ret i32 %retval.0 +} + +define i32 @main2(i32 %argc, i8** nocapture %argv) nounwind readnone ssp { +entry: + %and = and i32 %argc, 1 ; <i32> [#uses=1] + %tobool = icmp eq i32 %and, 0 ; <i1> [#uses=1] + %and2 = and i32 %argc, 2 ; <i32> [#uses=1] + %tobool3 = icmp eq i32 %and2, 0 ; <i1> [#uses=1] + %or.cond = or i1 %tobool, %tobool3 ; <i1> [#uses=1] + %storemerge = select i1 %or.cond, i32 0, i32 1 ; <i32> [#uses=1] + ret i32 %storemerge +}
\ No newline at end of file |