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| author | Michael Liao <michael.liao@intel.com> | 2012-08-11 23:47:06 +0000 |
|---|---|---|
| committer | Michael Liao <michael.liao@intel.com> | 2012-08-11 23:47:06 +0000 |
| commit | 9eac20ac88b82d39aaac9838631f268f3ef69d2c (patch) | |
| tree | 563c5e80b97c8b28c20ff2c1a90de82fd76f8600 /test/CodeGen/X86/pr13577.ll | |
| parent | 235e2e6f0dc8b715ea5b5c005022f04778c6fcb3 (diff) | |
| download | llvm-9eac20ac88b82d39aaac9838631f268f3ef69d2c.tar.gz llvm-9eac20ac88b82d39aaac9838631f268f3ef69d2c.tar.bz2 llvm-9eac20ac88b82d39aaac9838631f268f3ef69d2c.tar.xz | |
fix PR13577, an issue introduced by r161687
- FCMOV only supports a subset of X86 conditions. Skip boolean
simplification if X86 condition is not valid for FCMOV.
- add a minimal test case for PR13577.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161732 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/pr13577.ll')
| -rw-r--r-- | test/CodeGen/X86/pr13577.ll | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test/CodeGen/X86/pr13577.ll b/test/CodeGen/X86/pr13577.ll new file mode 100644 index 0000000000..faaec262cb --- /dev/null +++ b/test/CodeGen/X86/pr13577.ll @@ -0,0 +1,8 @@ +; RUN: llc < %s -march=x86-64 + +define x86_fp80 @foo(x86_fp80 %a) { + %1 = tail call x86_fp80 @copysignl(x86_fp80 0xK7FFF8000000000000000, x86_fp80 %a) nounwind readnone + ret x86_fp80 %1 +} + +declare x86_fp80 @copysignl(x86_fp80, x86_fp80) nounwind readnone |