xref: /aosp_15_r20/external/clang/test/Driver/wasm-toolchain.c (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // A basic clang -cc1 command-line. WebAssembly is somewhat special in
2*67e74705SXin Li // enabling -ffunction-sections, -fdata-sections, and -fvisibility=hidden by
3*67e74705SXin Li // default.
4*67e74705SXin Li 
5*67e74705SXin Li // RUN: %clang %s -### -no-canonical-prefixes -target wasm32-unknown-unknown 2>&1 | FileCheck -check-prefix=CC1 %s
6*67e74705SXin Li // CC1: clang{{.*}} "-cc1" "-triple" "wasm32-unknown-unknown" {{.*}} "-fvisibility" "hidden" {{.*}} "-ffunction-sections" "-fdata-sections"
7*67e74705SXin Li 
8*67e74705SXin Li // Ditto, but ensure that a user -fno-function-sections disables the
9*67e74705SXin Li // default -ffunction-sections.
10*67e74705SXin Li 
11*67e74705SXin Li // RUN: %clang %s -### -target wasm32-unknown-unknown -fno-function-sections 2>&1 | FileCheck -check-prefix=NO_FUNCTION_SECTIONS %s
12*67e74705SXin Li // NO_FUNCTION_SECTIONS-NOT: function-sections
13*67e74705SXin Li 
14*67e74705SXin Li // Ditto, but ensure that a user -fno-data-sections disables the
15*67e74705SXin Li // default -fdata-sections.
16*67e74705SXin Li 
17*67e74705SXin Li // RUN: %clang %s -### -target wasm32-unknown-unknown -fno-data-sections 2>&1 | FileCheck -check-prefix=NO_DATA_SECTIONS %s
18*67e74705SXin Li // NO_DATA_SECTIONS-NOT: data-sections
19*67e74705SXin Li 
20*67e74705SXin Li // Ditto, but ensure that a user -fvisibility=default disables the default
21*67e74705SXin Li // -fvisibility=hidden.
22*67e74705SXin Li 
23*67e74705SXin Li // RUN: %clang %s -### -target wasm32-unknown-unknown -fvisibility=default 2>&1 | FileCheck -check-prefix=FVISIBILITY_DEFAULT %s
24*67e74705SXin Li // FVISIBILITY_DEFAULT-NOT: hidden
25*67e74705SXin Li 
26*67e74705SXin Li // A basic C link command-line.
27*67e74705SXin Li 
28*67e74705SXin Li // RUN: %clang -### -no-canonical-prefixes -target wasm32-unknown-unknown --sysroot=/foo %s 2>&1 | FileCheck -check-prefix=LINK %s
29*67e74705SXin Li // LINK: clang{{.*}}" "-cc1" {{.*}} "-o" "[[temp:[^"]*]]"
30*67e74705SXin Li // LINK: lld{{.*}}" "-flavor" "ld" "-L/foo/lib32" "crt1.o" "crti.o" "[[temp]]" "-lc" "-lcompiler_rt" "crtn.o" "-o" "a.out"
31*67e74705SXin Li 
32*67e74705SXin Li // A basic C link command-line with optimization. WebAssembly is somewhat
33*67e74705SXin Li // special in enabling --gc-sections by default.
34*67e74705SXin Li 
35*67e74705SXin Li // RUN: %clang -### -O2 -no-canonical-prefixes -target wasm32-unknown-unknown --sysroot=/foo %s 2>&1 | FileCheck -check-prefix=LINK_OPT %s
36*67e74705SXin Li // LINK_OPT: clang{{.*}}" "-cc1" {{.*}} "-o" "[[temp:[^"]*]]"
37*67e74705SXin Li // LINK_OPT: lld{{.*}}" "-flavor" "ld" "--gc-sections" "-L/foo/lib32" "crt1.o" "crti.o" "[[temp]]" "-lc" "-lcompiler_rt" "crtn.o" "-o" "a.out"
38*67e74705SXin Li 
39*67e74705SXin Li // Ditto, but ensure that a user --no-gc-sections comes after the
40*67e74705SXin Li // default --gc-sections.
41*67e74705SXin Li 
42*67e74705SXin Li // RUN: %clang -### -O2 -no-canonical-prefixes -target wasm32-unknown-unknown --sysroot=/foo -Wl,--no-gc-sections %s 2>&1 | FileCheck -check-prefix=NO_GC_SECTIONS %s
43*67e74705SXin Li // NO_GC_SECTIONS: clang{{.*}}" "-cc1" {{.*}} "-o" "[[temp:[^"]*]]"
44*67e74705SXin Li // NO_GC_SECTIONS: lld{{.*}}" "-flavor" "ld" "--gc-sections" "-L/foo/lib32" "crt1.o" "crti.o" "--no-gc-sections" "[[temp]]" "-lc" "-lcompiler_rt" "crtn.o" "-o" "a.out"
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