[PATCH] D26345: Extend small data threshold driver options to PPC target
Jack Andersen via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Fri Jan 27 11:36:06 PST 2017
jackoalan updated this revision to Diff 86088.
jackoalan added a comment.
Herald added a subscriber: nemanjai.
Remove already-aliased option matchings; add test case for patch.
https://reviews.llvm.org/D26345
Files:
lib/Driver/Tools.cpp
test/Driver/ppc-eabi-small-data.c
Index: test/Driver/ppc-eabi-small-data.c
===================================================================
--- /dev/null
+++ test/Driver/ppc-eabi-small-data.c
@@ -0,0 +1,9 @@
+// Check passing PowerPC EABI small-data threshold to the backend.
+
+// RUN: %clang -target powerpc-unknown-unknown-eabi -G 0 %s -### -o %t.o 2>&1 \
+// RUN: | FileCheck -check-prefix=CHECK-SDATA0 %s
+// RUN: %clang -target powerpc-unknown-unknown-eabi -G 8 %s -### -o %t.o 2>&1 \
+// RUN: | FileCheck -check-prefix=CHECK-SDATA8 %s
+
+// CHECK-SDATA0: "-mllvm" "-ppc-ssection-threshold=0"
+// CHECK-SDATA8: "-mllvm" "-ppc-ssection-threshold=8"
Index: lib/Driver/Tools.cpp
===================================================================
--- lib/Driver/Tools.cpp
+++ lib/Driver/Tools.cpp
@@ -1887,6 +1887,13 @@
CmdArgs.push_back("-target-abi");
CmdArgs.push_back(ABIName);
}
+
+ if (Arg *A = Args.getLastArg(options::OPT_G)) {
+ StringRef v = A->getValue();
+ CmdArgs.push_back("-mllvm");
+ CmdArgs.push_back(Args.MakeArgString("-ppc-ssection-threshold=" + v));
+ A->claim();
+ }
}
bool ppc::hasPPCAbiArg(const ArgList &Args, const char *Value) {
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