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| author | Bruno Cardoso Lopes <bruno.cardoso@gmail.com> | 2016-10-21 01:49:14 +0000 |
|---|---|---|
| committer | Bruno Cardoso Lopes <bruno.cardoso@gmail.com> | 2016-10-21 01:49:14 +0000 |
| commit | de9cab942bf1f91643c2a88d95d9d6a55fc1e77f (patch) | |
| tree | 81b78b2c30b4d0258d7fb62754235579cb1b1101 /clang/test/Driver | |
| parent | ed84df008f609f7245871a9b6d00b57cb19410aa (diff) | |
| download | bcm5719-llvm-de9cab942bf1f91643c2a88d95d9d6a55fc1e77f.tar.gz bcm5719-llvm-de9cab942bf1f91643c2a88d95d9d6a55fc1e77f.zip | |
[Driver][Darwin] Pass -no_deduplicate to ld64
Recent versions of ld64 run a deduplicate pass, which is on by default.
Disable the pass by using -no_deduplicate in certain condition and
enhance total compile time.
rdar://problem/25455336
llvm-svn: 284798
Diffstat (limited to 'clang/test/Driver')
| -rw-r--r-- | clang/test/Driver/darwin-ld-dedup.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/clang/test/Driver/darwin-ld-dedup.c b/clang/test/Driver/darwin-ld-dedup.c new file mode 100644 index 00000000000..a06ca7bebe5 --- /dev/null +++ b/clang/test/Driver/darwin-ld-dedup.c @@ -0,0 +1,46 @@ +// REQUIRES: system-darwin + +// -no_deduplicate is only present from ld64 version 262 and later. +// RUN: %clang -target x86_64-apple-darwin10 -### %s \ +// RUN: -mlinker-version=261 -O0 2>&1 | FileCheck -check-prefix=LINK_DEDUP %s + +// Add -no_deduplicate when either -O0 or -O1 is explicitly specified +// RUN: %clang -target x86_64-apple-darwin10 -### %s \ +// RUN: -mlinker-version=262 -O0 2>&1 | FileCheck -check-prefix=LINK_NODEDUP %s +// RUN: %clang -target x86_64-apple-darwin10 -### %s \ +// RUN: -mlinker-version=262 -O1 2>&1 | FileCheck -check-prefix=LINK_NODEDUP %s + +// RUN: %clang -target x86_64-apple-darwin10 -### %s \ +// RUN: -mlinker-version=262 -O2 2>&1 | FileCheck -check-prefix=LINK_DEDUP %s +// RUN: %clang -target x86_64-apple-darwin10 -### %s \ +// RUN: -mlinker-version=262 -O3 2>&1 | FileCheck -check-prefix=LINK_DEDUP %s +// RUN: %clang -target x86_64-apple-darwin10 -### %s \ +// RUN: -mlinker-version=262 -Os 2>&1 | FileCheck -check-prefix=LINK_DEDUP %s +// RUN: %clang -target x86_64-apple-darwin10 -### %s \ +// RUN: -mlinker-version=262 -O4 2>&1 | FileCheck -check-prefix=LINK_DEDUP %s +// RUN: %clang -target x86_64-apple-darwin10 -### %s \ +// RUN: -mlinker-version=262 -Ofast 2>&1 | FileCheck -check-prefix=LINK_DEDUP %s + +// Add -no_deduplicate when no -O option is specified *and* this is a compile+link +// (implicit -O0) +// RUN: %clang -target x86_64-apple-darwin10 -### %s \ +// RUN: -mlinker-version=262 2>&1 | FileCheck -check-prefix=LINK_NODEDUP %s + +// Do *not* add -no_deduplicate when no -O option is specified and this is just a link +// (since we can't imply -O0) +// RUN: rm -f %t.o %t.bin +// RUN: %clang -target x86_64-apple-darwin10 -c -o %t.o %s +// RUN: %clang -target x86_64-apple-darwin10 %t.o -### -mlinker-version=262 \ +// RUN: -o %t.bin 2>&1 | FileCheck -check-prefix=LINK_DEDUP %s +// RUN: %clang -target x86_64-apple-darwin10 %t.o -### -mlinker-version=262 \ +// RUN: -O0 -o %t.bin 2>&1 | FileCheck -check-prefix=LINK_NODEDUP %s +// RUN: %clang -target x86_64-apple-darwin10 %t.o -### -mlinker-version=262 \ +// RUN: -O1 -o %t.bin 2>&1 | FileCheck -check-prefix=LINK_NODEDUP %s +// RUN: %clang -target x86_64-apple-darwin10 %t.o -### -mlinker-version=262 \ +// RUN: -O2 -o %t.bin 2>&1 | FileCheck -check-prefix=LINK_DEDUP %s + +// LINK_NODEDUP: {{ld(.exe)?"}} +// LINK_NODEDUP: "-no_deduplicate" + +// LINK_DEDUP: {{ld(.exe)?"}} +// LINK_DEDUP-NOT: "-no_deduplicate" |
