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Diffstat (limited to 'test/Frontend/backend-diagnostic.c')
| -rw-r--r-- | test/Frontend/backend-diagnostic.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/test/Frontend/backend-diagnostic.c b/test/Frontend/backend-diagnostic.c new file mode 100644 index 0000000000000..1fe4fdb5b9244 --- /dev/null +++ b/test/Frontend/backend-diagnostic.c @@ -0,0 +1,31 @@ +// REQUIRES: x86-registered-target +// Play around with backend reporting: +// _REGULAR_: Regular behavior, no warning switch enabled. +// _PROMOTE_: Promote warning to error. +// _IGNORE_: Drop backend warning. +// +// RUN: not %clang_cc1 %s -mllvm -warn-stack-size=0 -no-integrated-as -S -o - -triple=i386-apple-darwin 2> %t.err +// RUN: FileCheck < %t.err %s --check-prefix=REGULAR --check-prefix=ASM +// RUN: not %clang_cc1 %s -mllvm -warn-stack-size=0 -no-integrated-as -S -o - -triple=i386-apple-darwin -Werror=frame-larger-than= 2> %t.err +// RUN: FileCheck < %t.err %s --check-prefix=PROMOTE --check-prefix=ASM +// RUN: not %clang_cc1 %s -mllvm -warn-stack-size=0 -no-integrated-as -S -o - -triple=i386-apple-darwin -Wno-frame-larger-than= 2> %t.err +// RUN: FileCheck < %t.err %s --check-prefix=IGNORE --check-prefix=ASM +// +// RUN: %clang_cc1 %s -S -o - -triple=i386-apple-darwin -verify -no-integrated-as + +extern void doIt(char *); + +// REGULAR: warning: stack frame size of {{[0-9]+}} bytes in function 'stackSizeWarning' +// PROMOTE: error: stack frame size of {{[0-9]+}} bytes in function 'stackSizeWarning' +// IGNORE-NOT: stack frame size of {{[0-9]+}} bytes in function 'stackSizeWarning' +void stackSizeWarning() { + char buffer[80]; + doIt(buffer); +} + +// ASM: inline assembly requires more registers than available +void inlineAsmError(int x0, int x1, int x2, int x3, int x4, + int x5, int x6, int x7, int x8, int x9) { + __asm__("hello world": : "r" (x0),"r" (x1),"r" (x2),"r" (x3), // expected-error + {{inline assembly requires more registers than available}} + "r" (x4),"r" (x5),"r" (x6),"r" (x7),"r" (x8),"r" (x9)); +} |