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9 Commits

Author SHA1 Message Date
Melanie Blower 827be690dc [clang] FastMathFlags.allowContract should be initialized only from FPFeatures.allowFPContractAcrossStatement 
Summary: Fix bug introduced in D72841 adding support for pragma float_control

Reviewers: rjmccall, Anastasia

Differential Revision: https://reviews.llvm.org/D79903
 2020-05-20 06:19:10 -07:00
Melanie Blower f5360d4bb3 Reapply "Add support for #pragma float_control" with buildbot fixes 
Add support for #pragma float_control

Reviewers: rjmccall, erichkeane, sepavloff

Differential Revision: https://reviews.llvm.org/D72841

This reverts commit fce82c0ed3.
 2020-05-04 05:51:25 -07:00
Melanie Blower fce82c0ed3 Revert "Reapply "Add support for #pragma float_control" with improvements to" 
This reverts commit 69aacaf699.
 2020-05-01 10:31:09 -07:00
Melanie Blower 69aacaf699 Reapply "Add support for #pragma float_control" with improvements to 
test cases
Add support for #pragma float_control

Reviewers: rjmccall, erichkeane, sepavloff

Differential Revision: https://reviews.llvm.org/D72841

This reverts commit 85dc033cac, and makes
corrections to the test cases that failed on buildbots.
 2020-05-01 10:03:30 -07:00
Melanie Blower 85dc033cac Revert "Add support for #pragma float_control" 
This reverts commit 4f1e9a17e9.
due to fail on buildbot, sorry for the noise
 2020-05-01 06:36:58 -07:00
Melanie Blower 4f1e9a17e9 Add support for #pragma float_control 
Reviewers: rjmccall, erichkeane, sepavloff

Differential Revision: https://reviews.llvm.org/D72841
 2020-05-01 06:14:24 -07:00
Wang, Pengfei 3239b5034e [FPEnv] Add pragma FP_CONTRACT support under strict FP. 
Summary: Support pragma FP_CONTRACT under strict FP.

Reviewers: craig.topper, andrew.w.kaylor, uweigand, RKSimon, LiuChen3

Subscribers: hiraditya, jdoerfert, cfe-commits, llvm-commits, LuoYuanke

Tags: #clang, #llvm

Differential Revision: https://reviews.llvm.org/D72820
 2020-01-28 20:43:43 +08:00
Ulrich Weigand 1e89188d35 [FPEnv] Remove unnecessary rounding mode argument for constrained intrinsics 
The following intrinsics currently carry a rounding mode metadata argument:

    llvm.experimental.constrained.minnum
    llvm.experimental.constrained.maxnum
    llvm.experimental.constrained.ceil
    llvm.experimental.constrained.floor
    llvm.experimental.constrained.round
    llvm.experimental.constrained.trunc

This is not useful since the semantics of those intrinsics do not in any way
depend on the rounding mode. In similar cases, other constrained intrinsics
do not have the rounding mode argument. Remove it here as well.

Reviewed By: craig.topper

Differential Revision: https://reviews.llvm.org/D71218
 2019-12-17 21:10:36 +01:00
Kevin P. Neal 6515c524b0 [FPEnv] clang support for constrained FP builtins 
Change the IRBuilder and clang so that constrained FP intrinsics will be
emitted for builtins when appropriate. Only non-target-specific builtins
are affected in this patch.

Differential Revision: https://reviews.llvm.org/D70256
 2019-12-10 13:09:12 -05:00