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(parent: 3e521a5) | patch
PPC32 cannot form counter loops around i64 FP conversions
authorHal Finkel <hfinkel@anl.gov>
Thu, 16 May 2013 16:52:41 +0000 (16:52 +0000)
committerHal Finkel <hfinkel@anl.gov>
Thu, 16 May 2013 16:52:41 +0000 (16:52 +0000)
commit2a5e8c328eb0d957f00190c0c6189a4f1fef1117
tree2c7289bb9b2283f5de88b99124ff98623f157dcctree | snapshot
parent3e521a5223e548748725c8b19d964d8e6de4fc82commit | diff
PPC32 cannot form counter loops around i64 FP conversions

On PPC32, i64 FP conversions are implemented using runtime calls (which clobber
the counter register). These must be excluded.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182023 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/PowerPC/PPCCTRLoops.cpp diff | blob | history
test/CodeGen/PowerPC/ctrloop-fp64.ll [new file with mode: 0644] blob
C/C++ LLVM-based compilers that forbids OOTA behaviors