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| author | Dan Gohman <gohman@apple.com> | 2008-08-21 17:37:05 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2008-08-21 17:37:05 +0000 |
| commit | 747675ca64694761cfeb43aa6c38c5202267a630 (patch) | |
| tree | 1e9aa595d2afa2f4a51db9f52d5c8aa5af7a9607 /lib/CodeGen/SelectionDAG/FastISel.cpp | |
| parent | e3a9f87e24208d94e806a1f5377c4088117a35a0 (diff) | |
| download | external_llvm-747675ca64694761cfeb43aa6c38c5202267a630.zip external_llvm-747675ca64694761cfeb43aa6c38c5202267a630.tar.gz external_llvm-747675ca64694761cfeb43aa6c38c5202267a630.tar.bz2 | |
Have FastISel skip the multiply by 1 for getelementptr on i8*.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55129 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/FastISel.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/FastISel.cpp | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/lib/CodeGen/SelectionDAG/FastISel.cpp b/lib/CodeGen/SelectionDAG/FastISel.cpp index 71042ff..450596e 100644 --- a/lib/CodeGen/SelectionDAG/FastISel.cpp +++ b/lib/CodeGen/SelectionDAG/FastISel.cpp @@ -124,10 +124,8 @@ bool FastISel::SelectGetElementPtr(Instruction *I, // Unhandled operand. Halt "fast" selection and bail. return false; - // FIXME: If multiple is power of two, turn it into a shift. The - // optimization should be in FastEmit_ri? - IdxN = FastEmit_ri_(VT, ISD::MUL, IdxN, - ElementSize, VT); + if (ElementSize != 1) + IdxN = FastEmit_ri_(VT, ISD::MUL, IdxN, ElementSize, VT); if (IdxN == 0) // Unhandled operand. Halt "fast" selection and bail. return false; |