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[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

llvm-svn: 296861
This commit is contained in:
Nemanja Ivanovic 2017-03-03 09:49:17 +00:00
parent a9022fd84f
commit e96e697294
2 changed files with 10 additions and 0 deletions
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3
clang/lib/Driver/Tools.cpp
View File

@ -2235,6 +2235,9 @@ static bool useFramePointerForTargetByDefault(const ArgList &Args,
case llvm::Triple::mips64el: case llvm::Triple::mips64el:
case llvm::Triple::mips: case llvm::Triple::mips:
case llvm::Triple::mipsel: case llvm::Triple::mipsel:
case llvm::Triple::ppc:
case llvm::Triple::ppc64:
case llvm::Triple::ppc64le:
case llvm::Triple::systemz: case llvm::Triple::systemz:
case llvm::Triple::x86: case llvm::Triple::x86:
case llvm::Triple::x86_64: case llvm::Triple::x86_64:

7
clang/test/Driver/frame-pointer.c
View File

@ -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 -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 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 -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 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 // RUN: %clang -target mipsel-linux-gnu -### -S -O0 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK0-32 %s