blob: dea0611e8fc6542bd6d5728f4d6f956f6238db68 [file] [log] [blame]
/* { dg-do compile { target powerpc*-*-* } } */
/* { dg-options "-O2" } */
/* { dg-final { scan-assembler {#before\M.*\mmflr\M} } } */
/* This tests if shrink-wrapping for separate components works.
r20 (a callee-saved register) is forced live at the start, so that we
get it saved in a prologue at the start of the function.
The link register only needs to be saved if x is non-zero; without
separate shrink-wrapping it would however be saved in the one prologue.
The test tests if the mflr insn ends up behind the prologue. */
void g(void);
void f(int x)
register int r20 asm("20") = x;
asm("#before" : : "r"(r20));
if (x)
asm(""); // no tailcall of g