[PowerPC] Enable -fomit-frame-pointer by default for PPC

As is the case on platforms like Mips, X86 and SystemZ, the -fomit-frame-pointer
should be enabled by default on PPC when optimizing at -O1 and above. This
brings the behaviour of LLVM on PPC in line with GCC.

Committing on behalf of Hiroshi Inoue.

Differential Revision: https://reviews.llvm.org/D29750

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@296861 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 042326f68ad2e6a710da9c9465f7596bf0c99f03..283d7ee062584ac4c4aaeb7706db35eb2a12bd68 100644 (file)
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -2235,6 +2235,9 @@ static bool useFramePointerForTargetByDefault(const ArgList &Args,
     case llvm::Triple::mips64el:
     case llvm::Triple::mips:
     case llvm::Triple::mipsel:
+    case llvm::Triple::ppc:
+    case llvm::Triple::ppc64:
+    case llvm::Triple::ppc64le:
     case llvm::Triple::systemz:
     case llvm::Triple::x86:
     case llvm::Triple::x86_64:

diff --git a/test/Driver/frame-pointer.c b/test/Driver/frame-pointer.c
index cec168636c13410cfaec3000196a2e59cf074067..ecb16af3cf800cff217647f358fe0d4a15430297 100644 (file)
--- a/test/Driver/frame-pointer.c
+++ b/test/Driver/frame-pointer.c
@@ -17,6 +17,13 @@
 // RUN: %clang -target s390x-pc-linux -### -S -O0 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK0-64 %s
 // RUN: %clang -target s390x-pc-linux -### -S -O1 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK1-64 %s
 
+// RUN: %clang -target powerpc-unknown-linux-gnu -### -S -O0 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK0-64 %s
+// RUN: %clang -target powerpc-unknown-linux-gnu -### -S -O1 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK1-64 %s
+// RUN: %clang -target powerpc64-unknown-linux-gnu -### -S -O0 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK0-64 %s
+// RUN: %clang -target powerpc64-unknown-linux-gnu -### -S -O1 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK1-64 %s
+// RUN: %clang -target powerpc64le-unknown-linux-gnu -### -S -O0 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK0-64 %s
+// RUN: %clang -target powerpc64le-unknown-linux-gnu -### -S -O1 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK1-64 %s
+
 // RUN: %clang -target mips-linux-gnu -### -S -O0 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK0-32 %s
 // RUN: %clang -target mips-linux-gnu -### -S -O1 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK1-32 %s
 // RUN: %clang -target mipsel-linux-gnu -### -S -O0 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK0-32 %s