diff options
Diffstat (limited to 'test/FrontendC/2008-01-25-ByValReadNone.c')
-rw-r--r-- | test/FrontendC/2008-01-25-ByValReadNone.c | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/test/FrontendC/2008-01-25-ByValReadNone.c b/test/FrontendC/2008-01-25-ByValReadNone.c deleted file mode 100644 index 4cb1a63..0000000 --- a/test/FrontendC/2008-01-25-ByValReadNone.c +++ /dev/null @@ -1,15 +0,0 @@ -// RUN: %llvmgcc -O3 -S -o - %s | not grep readonly -// RUN: %llvmgcc -O3 -S -o - %s | not grep readnone - - -// The struct being passed byval means that we cannot mark the -// function readnone. Readnone would allow stores to the arg to -// be deleted in the caller. We also don't allow readonly since -// the callee might write to the byval parameter. The inliner -// would have to assume the worse and introduce an explicit -// temporary when inlining such a function, which is costly for -// the common case in which the byval argument is not written. -struct S { int A[1000]; }; -int __attribute__ ((const)) f(struct S x) { x.A[1] = 0; return x.A[0]; } -int g(struct S x) __attribute__ ((pure)); -int h(struct S x) { return g(x); } |