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Add FMF to vector ops for phi 

Summary: Small amendment to handle vector cases for D67564.

Reviewers: spatel, eli.friedman, hfinkel, cameron.mcinally, arsenm, jmolloy, bogner

Reviewed By: cameron.mcinally, bogner

Subscribers: llvm-commits, efriedma, reames, bogner, wdng

Differential Revision: https://reviews.llvm.org/D68748

llvm-svn: 374794
This commit is contained in:
Michael Berg 2019-10-14 17:39:32 +00:00
parent 1d32d8b176
commit 5af0201c2a
2 changed files with 22 additions and 1 deletions
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2
llvm/lib/Bitcode/Reader/BitcodeReader.cpp
View File

@ -4641,7 +4641,7 @@ Error BitcodeReader::parseFunctionBody(Function *F) {
// There is an optional final record for fast-math-flags if this phi has a
// floating-point type.
size_t NumArgs = (Record.size() - 1) / 2;
if ((Record.size() - 1) % 2 == 1 && !Ty->isFloatingPointTy())
if ((Record.size() - 1) % 2 == 1 && !Ty->isFPOrFPVectorTy())
return error("Invalid record");
PHINode *PN = PHINode::Create(Ty, NumArgs);

21
llvm/test/Bitcode/compatibility.ll
View File

@ -882,6 +882,27 @@ exit:
ret void
}
define void @fastmathflags_vector_phi(i1 %cond, <4 x float> %f1, <4 x float> %f2, <2 x double> %d1, <2 x double> %d2, <8 x half> %h1, <8 x half> %h2) {
entry:
br i1 %cond, label %L1, label %L2
L1:
br label %exit
L2:
br label %exit
exit:
%p.nnan = phi nnan <4 x float> [ %f1, %L1 ], [ %f2, %L2 ]
; CHECK: %p.nnan = phi nnan <4 x float> [ %f1, %L1 ], [ %f2, %L2 ]
%p.ninf = phi ninf <2 x double> [ %d1, %L1 ], [ %d2, %L2 ]
; CHECK: %p.ninf = phi ninf <2 x double> [ %d1, %L1 ], [ %d2, %L2 ]
%p.contract = phi contract <8 x half> [ %h1, %L1 ], [ %h2, %L2 ]
; CHECK: %p.contract = phi contract <8 x half> [ %h1, %L1 ], [ %h2, %L2 ]
%p.nsz.reassoc = phi reassoc nsz <4 x float> [ %f1, %L1 ], [ %f2, %L2 ]
; CHECK: %p.nsz.reassoc = phi reassoc nsz <4 x float> [ %f1, %L1 ], [ %f2, %L2 ]
%p.fast = phi fast <8 x half> [ %h2, %L1 ], [ %h1, %L2 ]
; CHECK: %p.fast = phi fast <8 x half> [ %h2, %L1 ], [ %h1, %L2 ]
ret void
}
; Check various fast math flags and floating-point types on calls.
declare float @fmf1()