Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

Open Menu /external/bsd/llvm/dist/clang/test/Driver/frame-pointer-elim.c 
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
// For these next two tests when optimized we should omit the leaf frame
// pointer, for unoptimized we should have a leaf frame pointer.
// RUN: %clang -### -target i386-pc-linux-gnu -S -O1 %s 2>&1 | \
// RUN:   FileCheck --check-prefix=LINUX-OPT %s
// LINUX-OPT: "-momit-leaf-frame-pointer"

// RUN: %clang -### -target i386-pc-linux-gnu -S %s 2>&1 | \
// RUN:   FileCheck --check-prefix=LINUX %s
// LINUX-NOT: "-momit-leaf-frame-pointer"

// CloudABI follows the same rules as Linux.
// RUN: %clang -### -target x86_64-unknown-cloudabi -S -O1 %s 2>&1 | \
// RUN:   FileCheck --check-prefix=CLOUDABI-OPT %s
// CLOUDABI-OPT: "-momit-leaf-frame-pointer"

// RUN: %clang -### -target x86_64-unknown-cloudabi -S %s 2>&1 | \
// RUN:   FileCheck --check-prefix=CLOUDABI %s
// CLOUDABI-NOT: "-momit-leaf-frame-pointer"

// NetBSD follows the same rules as Linux.
// RUN: %clang -### -target x86_64-unknown-netbsd -S -O1 %s 2>&1 | \
// RUN:   FileCheck --check-prefix=NETBSD-OPT %s
// NETBSD-OPT: "-momit-leaf-frame-pointer"

// RUN: %clang -### -target x86_64-unknown-netbsd -S %s 2>&1 | \
// RUN:   FileCheck --check-prefix=NETBSD %s
// NETBSD-NOT: "-momit-leaf-frame-pointer"

// Darwin disables omitting the leaf frame pointer even under optimization
// unless the command lines are given.
// RUN: %clang -### -target i386-apple-darwin -S %s 2>&1 | \
// RUN:   FileCheck --check-prefix=DARWIN %s
// DARWIN: "-mdisable-fp-elim"

// RUN: %clang -### -target i386-apple-darwin -S -O1 %s 2>&1 | \
// RUN:   FileCheck --check-prefix=DARWIN-OPT %s
// DARWIN-OPT-NOT: "-momit-leaf-frame-pointer"

// RUN: %clang -### -target i386-darwin -S -fomit-frame-pointer %s 2>&1 | \
// RUN:   FileCheck --check-prefix=OMIT_ALL %s
// OMIT_ALL-NOT: "-mdisable-fp-elim"

// RUN: %clang -### -target i386-darwin -S -momit-leaf-frame-pointer %s 2>&1 | \
// RUN:   FileCheck --check-prefix=OMIT_LEAF %s
// OMIT_LEAF: "-momit-leaf-frame-pointer"

// RUN: %clang -### -target armv7s-apple-ios -fomit-frame-pointer %s 2>&1 | \
// RUN:   FileCheck --check-prefix=WARN-OMIT-7S %s
// WARN-OMIT-7S: warning: optimization flag '-fomit-frame-pointer' is not supported for target 'armv7s'
// WARN-OMIT-7S: "-mdisable-fp-elim"
// WARN-OMIT-7S-NOT: "-momit-leaf-frame-pointer"

// RUN: %clang -### -target armv7k-apple-watchos -fomit-frame-pointer %s 2>&1 | \
// RUN:   FileCheck --check-prefix=WARN-OMIT-7K %s
// WARN-OMIT-7K: warning: optimization flag '-fomit-frame-pointer' is not supported for target 'armv7k'
// WARN-OMIT-7K: "-mdisable-fp-elim"
// WARN-OMIT-7K-NOT: "-momit-leaf-frame-pointer"

// RUN: %clang -### -target armv7s-apple-ios8.0 -momit-leaf-frame-pointer %s 2>&1 | \
// RUN:   FileCheck --check-prefix=WARN-OMIT-LEAF-7S %s
// WARN-OMIT-LEAF-7S-NOT: warning: optimization flag '-momit-leaf-frame-pointer' is not supported for target 'armv7s'
// WARN-OMIT-LEAF-7S: "-mdisable-fp-elim"
// WARN-OMIT-LEAF-7S: "-momit-leaf-frame-pointer"

// On the PS4, we default to omitting the frame pointer on leaf functions
// (OMIT_LEAF check line is above)
// RUN: %clang -### -target x86_64-scei-ps4 -S %s 2>&1 | \
// RUN:   FileCheck --check-prefix=OMIT_LEAF %s
// RUN: %clang -### -target x86_64-scei-ps4 -S -O2 %s 2>&1 | \
// RUN:   FileCheck --check-prefix=OMIT_LEAF %s

void f0() {}
void f1() { f0(); }