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The powers that be have decided that LLVM IR should now support 16-bit

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"half precision" floating-point with a first-class type.

This patch adds basic IR support (but not codegen support).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146786 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2011-12-17 00:04:22 +00:00
parent 2e1b0c0cd9
commit ce16339930
18 changed files with 123 additions and 56 deletions
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lib/Transforms/InstCombine/InstCombineCompares.cpp
+3 -1
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@@ -2848,7 +2848,9 @@ Instruction *InstCombiner::visitFCmpInst(FCmpInst &I) {
const fltSemantics *Sem;
// FIXME: This shouldn't be here.
if (LHSExt->getSrcTy()->isFloatTy())
if (LHSExt->getSrcTy()->isHalfTy())
Sem = &APFloat::IEEEhalf;
else if (LHSExt->getSrcTy()->isFloatTy())
Sem = &APFloat::IEEEsingle;
else if (LHSExt->getSrcTy()->isDoubleTy())
Sem = &APFloat::IEEEdouble;