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Merging r325525:

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r325525 | steven_wu | 2018-02-19 20:22:28 +0100 (Mon, 19 Feb 2018) | 13 lines

bitcode support change for fast flags compatibility

Summary: The discussion and as per need, each vendor needs a way to keep the old fast flags and the new fast flags in the auto upgrade path of the IR upgrader.  This revision addresses that issue.

Patched by Michael Berg

Reviewers: qcolombet, hans, steven_wu

Reviewed By: qcolombet, steven_wu

Subscribers: dexonsmith, vsk, mehdi_amini, andrewrk, MatzeB, wristow, spatel

Differential Revision: https://reviews.llvm.org/D43253
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_60@325592 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Hans Wennborg
2018-02-20 16:22:18 +00:00
parent 22a047b7bd
commit 2e49864b29
9 changed files with 41 additions and 45 deletions
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16
lib/Bitcode/Reader/BitcodeReader.cpp
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@@ -1046,19 +1046,21 @@ static Comdat::SelectionKind getDecodedComdatSelectionKind(unsigned Val) {
static FastMathFlags getDecodedFastMathFlags(unsigned Val) {
FastMathFlags FMF;
if (0 != (Val & FastMathFlags::AllowReassoc))
if (0 != (Val & bitc::UnsafeAlgebra))
FMF.setFast();
if (0 != (Val & bitc::AllowReassoc))
FMF.setAllowReassoc();
if (0 != (Val & FastMathFlags::NoNaNs))
if (0 != (Val & bitc::NoNaNs))
FMF.setNoNaNs();
if (0 != (Val & FastMathFlags::NoInfs))
if (0 != (Val & bitc::NoInfs))
FMF.setNoInfs();
if (0 != (Val & FastMathFlags::NoSignedZeros))
if (0 != (Val & bitc::NoSignedZeros))
FMF.setNoSignedZeros();
if (0 != (Val & FastMathFlags::AllowReciprocal))
if (0 != (Val & bitc::AllowReciprocal))
FMF.setAllowReciprocal();
if (0 != (Val & FastMathFlags::AllowContract))
if (0 != (Val & bitc::AllowContract))
FMF.setAllowContract(true);
if (0 != (Val & FastMathFlags::ApproxFunc))
if (0 != (Val & bitc::ApproxFunc))
FMF.setApproxFunc();
return FMF;
}