diff options
| -rw-r--r-- | clang/lib/Driver/Tools.cpp | 4 | ||||
| -rw-r--r-- | clang/test/Driver/woa-fp.c | 40 |
2 files changed, 44 insertions, 0 deletions
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp index f20e5cd8ef8..7cccf09665c 100644 --- a/clang/lib/Driver/Tools.cpp +++ b/clang/lib/Driver/Tools.cpp @@ -2655,6 +2655,10 @@ static bool shouldUseFramePointerForTarget(const ArgList &Args, switch (Triple.getArch()) { case llvm::Triple::x86: return !areOptimizationsEnabled(Args); + case llvm::Triple::arm: + case llvm::Triple::thumb: + // Windows on ARM builds with FPO disabled to aid fast stack walking + return true; default: // All other supported Windows ISAs use xdata unwind information, so frame // pointers are not generally useful. diff --git a/clang/test/Driver/woa-fp.c b/clang/test/Driver/woa-fp.c new file mode 100644 index 00000000000..f851e93884e --- /dev/null +++ b/clang/test/Driver/woa-fp.c @@ -0,0 +1,40 @@ +// RUN: %clang -target armv7-windows-msvc -### -S %s -O0 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-DEFAULT +// RUN: %clang -target armv7-windows-msvc -### -S %s -O1 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-DEFAULT +// RUN: %clang -target armv7-windows-msvc -### -S %s -O2 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-DEFAULT +// RUN: %clang -target armv7-windows-msvc -### -S %s -O3 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-DEFAULT +// RUN: %clang -target armv7-windows-msvc -### -S %s -Os -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-DEFAULT + +// RUN: %clang -target armv7-windows-itanium -### -S %s -O0 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-DEFAULT +// RUN: %clang -target armv7-windows-itanium -### -S %s -O1 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-DEFAULT +// RUN: %clang -target armv7-windows-itanium -### -S %s -O2 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-DEFAULT +// RUN: %clang -target armv7-windows-itanium -### -S %s -O3 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-DEFAULT +// RUN: %clang -target armv7-windows-itanium -### -S %s -Os -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-DEFAULT + +// RUN: %clang -target armv7-windows-msvc -fomit-frame-pointer -### -S %s -O0 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-FPO +// RUN: %clang -target armv7-windows-msvc -fomit-frame-pointer -### -S %s -O1 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-FPO +// RUN: %clang -target armv7-windows-msvc -fomit-frame-pointer -### -S %s -O2 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-FPO +// RUN: %clang -target armv7-windows-msvc -fomit-frame-pointer -### -S %s -O3 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-FPO +// RUN: %clang -target armv7-windows-msvc -fomit-frame-pointer -### -S %s -Os -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-FPO + +// RUN: %clang -target armv7-windows-itanium -fomit-frame-pointer -### -S %s -O0 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-FPO +// RUN: %clang -target armv7-windows-itanium -fomit-frame-pointer -### -S %s -O1 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-FPO +// RUN: %clang -target armv7-windows-itanium -fomit-frame-pointer -### -S %s -O2 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-FPO +// RUN: %clang -target armv7-windows-itanium -fomit-frame-pointer -### -S %s -O3 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-FPO +// RUN: %clang -target armv7-windows-itanium -fomit-frame-pointer -### -S %s -Os -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-FPO + +// RUN: %clang -target armv7-windows-msvc -fno-omit-frame-pointer -### -S %s -O0 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-NO-FPO +// RUN: %clang -target armv7-windows-msvc -fno-omit-frame-pointer -### -S %s -O1 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-NO-FPO +// RUN: %clang -target armv7-windows-msvc -fno-omit-frame-pointer -### -S %s -O2 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-NO-FPO +// RUN: %clang -target armv7-windows-msvc -fno-omit-frame-pointer -### -S %s -O3 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-NO-FPO +// RUN: %clang -target armv7-windows-msvc -fno-omit-frame-pointer -### -S %s -Os -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-NO-FPO + +// RUN: %clang -target armv7-windows-itanium -fno-omit-frame-pointer -### -S %s -O0 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-NO-FPO +// RUN: %clang -target armv7-windows-itanium -fno-omit-frame-pointer -### -S %s -O1 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-NO-FPO +// RUN: %clang -target armv7-windows-itanium -fno-omit-frame-pointer -### -S %s -O2 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-NO-FPO +// RUN: %clang -target armv7-windows-itanium -fno-omit-frame-pointer -### -S %s -O3 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-NO-FPO +// RUN: %clang -target armv7-windows-itanium -fno-omit-frame-pointer -### -S %s -Os -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-NO-FPO + +// CHECK-DEFAULT: "-mdisable-fp-elim" +// CHECK-FPO-NOT: "-mdisable-fp-elim" +// CHECK-NO-FPO: "-mdisable-fp-elim" + |
