[PATCH] D138675: [flang] Add -ffast-math and -Ofast

[Usman Nadeem via Phabricator via cfe-commits]

mnadeem added inline comments.
Herald added a subscriber: sunshaoce.


================
Comment at: flang/test/Driver/fast_math.f90:59-62
+! Check that -ffast-math causes us to link to crtfastmath.o
+! UNSUPPORTED: system-windows
+! RUN: %flang -ffast-math -### %s -o %t 2>&1 \
+! RUN:     | FileCheck --check-prefix=CHECK-CRT %s
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I think this test should use an explicit sysroot like the clang test does. It fails on my system (x86 linux, llvm built for arm target) because it cant find the crtfastmath.o library.


> // file linux-ld.c
>
> // RUN:        --sysroot=%S/Inputs/basic_linux_tree 2>&1 \
> // RUN:   | FileCheck --check-prefix=CHECK-CRTFASTMATH %s



Repository:
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  https://reviews.llvm.org/D138675/new/

https://reviews.llvm.org/D138675