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| author | Bill Wendling <isanbard@gmail.com> | 2008-12-09 23:19:12 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2008-12-09 23:19:12 +0000 |
| commit | 30a64a76492b6a92ccf6d6a6ac907ff8b2b18305 (patch) | |
| tree | 2219ece0baac739d86b78ed1db234644710f007a /test/CodeGen/X86/add-with-overflow.ll | |
| parent | 54e4c36a7349e94a84773afb56eccd4ca65b49e9 (diff) | |
Implement fast-isel conversion of a branch instruction that's branching on an
overflow/carry from the "arithmetic with overflow" intrinsics. It searches the
machine basic block from bottom to top to find the SETO/SETC instruction that is
its conditional. If an instruction modifies EFLAGS before it reaches the
SETO/SETC instruction, then it defaults to the normal instruction emission.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60807 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/add-with-overflow.ll')
| -rw-r--r-- | test/CodeGen/X86/add-with-overflow.ll | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/test/CodeGen/X86/add-with-overflow.ll b/test/CodeGen/X86/add-with-overflow.ll index ffab94ba9d..baf577168c 100644 --- a/test/CodeGen/X86/add-with-overflow.ll +++ b/test/CodeGen/X86/add-with-overflow.ll @@ -1,5 +1,7 @@ ; RUN: llvm-as < %s | llc -march=x86 | grep {jo} | count 1 ; RUN: llvm-as < %s | llc -march=x86 | grep {jc} | count 1 +; RUN: llvm-as < %s | llc -march=x86 -fast | grep {jo} | count 1 +; RUN: llvm-as < %s | llc -march=x86 -fast | grep {jc} | count 1 @ok = internal constant [4 x i8] c"%d\0A\00" @no = internal constant [4 x i8] c"no\0A\00" |