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Have FastISel skip the multiply by 1 for getelementptr on i8*.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55129 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2008-08-21 17:37:05 +00:00
parent 62990bafa3
commit f93cf79505
1 changed files with 2 additions and 4 deletions
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6
lib/CodeGen/SelectionDAG/FastISel.cpp
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@ -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;