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| author | Manman Ren <manman.ren@gmail.com> | 2016-01-12 00:47:18 +0000 |
|---|---|---|
| committer | Manman Ren <manman.ren@gmail.com> | 2016-01-12 00:47:18 +0000 |
| commit | 5e9e65e705d75d616c00fdcebe2b1e2ddb1956bf (patch) | |
| tree | af54de63e0b4ec3e0379a9f9845345f2d49d117a /llvm/lib/Target/ARM/ARMFastISel.cpp | |
| parent | e3580956eafac63324ba4db80de28cd9a030981a (diff) | |
| download | llvm-5e9e65e705d75d616c00fdcebe2b1e2ddb1956bf.zip llvm-5e9e65e705d75d616c00fdcebe2b1e2ddb1956bf.tar.gz llvm-5e9e65e705d75d616c00fdcebe2b1e2ddb1956bf.tar.bz2 | |
CXX_FAST_TLS calling convention: performance improvement for ARM.
This is the same change on ARM as r255821 on AArch64.
rdar://9001553
llvm-svn: 257424
Diffstat (limited to 'llvm/lib/Target/ARM/ARMFastISel.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMFastISel.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMFastISel.cpp b/llvm/lib/Target/ARM/ARMFastISel.cpp index b5f1ac4..ff2fcfa 100644 --- a/llvm/lib/Target/ARM/ARMFastISel.cpp +++ b/llvm/lib/Target/ARM/ARMFastISel.cpp @@ -2083,6 +2083,9 @@ bool ARMFastISel::SelectRet(const Instruction *I) { if (!FuncInfo.CanLowerReturn) return false; + if (TLI.supportSplitCSR(FuncInfo.MF)) + return false; + // Build a list of return value registers. SmallVector<unsigned, 4> RetRegs; |