Andrew Kaylor
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53a5fbb45f
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Add strictfp attribute to prevent unwanted optimizations of libm calls
Differential Revision: https://reviews.llvm.org/D34163
llvm-svn: 310885
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2017-08-14 21:15:13 +00:00 |
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Andrew Kaylor
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647025f9e1
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[InstSimplify] Don't constant fold or DCE calls that are marked nobuiltin
Differential Revision: https://reviews.llvm.org/D33737
llvm-svn: 305132
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2017-06-09 23:18:11 +00:00 |
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NAKAMURA Takumi
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b4eef1fa4a
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llvm/test/Transforms/DCE/calls-errno.ll: Suppress checking @pow(+0,-1).
It depends on host's pow(3), and mingw's pow doesn't raise any errors, just returns +INF.
llvm-svn: 286005
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2016-11-04 18:50:45 +00:00 |
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Eli Friedman
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b6befc3bc4
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DCE math library calls with a constant operand.
On platforms which use -fmath-errno, math libcalls without any uses
require some extra checks to figure out if they are actually dead.
Fixes https://llvm.org/bugs/show_bug.cgi?id=30464 .
Differential Revision: https://reviews.llvm.org/D25970
llvm-svn: 285857
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2016-11-02 20:48:11 +00:00 |