| /* First dg-final line after each function is for architectures that use |
| a struct {...} va_list[1] with separate GPR and FPR counters in the |
| structure. Second dg-final line is for architectures that use void * |
| or char * va_list. */ |
| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fdump-tree-stdarg" } */ |
| /* LLVM LOCAL test not applicable */ |
| /* { dg-require-fdump "" } */ |
| |
| #include <stdarg.h> |
| |
| extern void foo (int, va_list); |
| extern void bar (int); |
| long x; |
| double d; |
| |
| /* Here va_arg can be executed more than once for one va_start. All GPR |
| registers needs to be saved. */ |
| void |
| f1 (int i, ...) |
| { |
| va_list ap; |
| va_start (ap, i); |
| while (i-- > 0) |
| x = va_arg (ap, long); |
| va_end (ap); |
| } |
| /* { dg-final { scan-tree-dump "f1: va_list escapes 0, needs to save all GPR units and 0 FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && lp64 } } } } */ |
| /* { dg-final { scan-tree-dump "f1: va_list escapes 0, needs to save all GPR units and 0 FPR units" "stdarg" { target { powerpc*-*-linux* && ilp32 } } } } */ |
| /* { dg-final { scan-tree-dump "f1: va_list escapes 0, needs to save all GPR units and 1" "stdarg" { target alpha*-*-linux* } } } */ |
| /* { dg-final { scan-tree-dump "f1: va_list escapes 0, needs to save all GPR units and 0 FPR units" "stdarg" { target s390*-*-linux* } } } */ |
| /* { dg-final { scan-tree-dump "f1: va_list escapes \[01\], needs to save all GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } } */ |
| /* { dg-final { scan-tree-dump "f1: va_list escapes \[01\], needs to save all GPR units" "stdarg" { target ia64-*-* } } } */ |
| /* { dg-final { scan-tree-dump "f1: va_list escapes \[01\], needs to save all GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */ |
| |
| void |
| f2 (int i, ...) |
| { |
| va_list ap; |
| va_start (ap, i); |
| while (i-- > 0) |
| d = va_arg (ap, double); |
| va_end (ap); |
| } |
| /* { dg-final { scan-tree-dump "f2: va_list escapes 0, needs to save 0 GPR units and all FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && lp64 } } } } */ |
| /* { dg-final { scan-tree-dump "f2: va_list escapes 0, needs to save 0 GPR units and all FPR units" "stdarg" { target { powerpc*-*-linux* && { powerpc_fprs && ilp32 } } } } } */ |
| /* { dg-final { scan-tree-dump "f2: va_list escapes 0, needs to save all GPR units and 2" "stdarg" { target alpha*-*-linux* } } } */ |
| /* { dg-final { scan-tree-dump "f2: va_list escapes 0, needs to save 0 GPR units and all FPR units" "stdarg" { target s390*-*-linux* } } } */ |
| /* { dg-final { scan-tree-dump "f2: va_list escapes \[01\], needs to save all GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } } */ |
| /* { dg-final { scan-tree-dump "f2: va_list escapes \[01\], needs to save all GPR units" "stdarg" { target ia64-*-* } } } */ |
| /* { dg-final { scan-tree-dump "f2: va_list escapes \[01\], needs to save all GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */ |
| |
| /* Here va_arg can be executed at most as many times as va_start. |
| Only one GPR needs to be saved. */ |
| void |
| f3 (int i, ...) |
| { |
| va_list ap; |
| int j = i; |
| while (j-- > 0) |
| { |
| va_start (ap, i); |
| x = va_arg (ap, long); |
| va_end (ap); |
| bar (x); |
| } |
| } |
| /* { dg-final { scan-tree-dump "f3: va_list escapes 0, needs to save \[148\] GPR units and 0 FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && lp64 } } } } */ |
| /* { dg-final { scan-tree-dump "f3: va_list escapes 0, needs to save \[148\] GPR units and 0 FPR units" "stdarg" { target { powerpc*-*-linux* && ilp32 } } } } */ |
| /* { dg-final { scan-tree-dump "f3: va_list escapes 0, needs to save 8 GPR units and 1" "stdarg" { target alpha*-*-linux* } } } */ |
| /* { dg-final { scan-tree-dump "f3: va_list escapes 0, needs to save 1 GPR units and 0 FPR units" "stdarg" { target s390*-*-linux* } } } */ |
| /* { dg-final { scan-tree-dump "f3: va_list escapes 0, needs to save \[148\] GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } } */ |
| /* { dg-final { scan-tree-dump "f3: va_list escapes 0, needs to save \[148\] GPR units" "stdarg" { target ia64-*-* } } } */ |
| /* { dg-final { scan-tree-dump "f3: va_list escapes 0, needs to save \[148\] GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */ |
| |
| void |
| f4 (int i, ...) |
| { |
| va_list ap; |
| int j = i; |
| while (j-- > 0) |
| { |
| va_start (ap, i); |
| d = va_arg (ap, double); |
| va_end (ap); |
| bar (d + 2.5); |
| } |
| } |
| /* { dg-final { scan-tree-dump "f4: va_list escapes 0, needs to save 0 GPR units and \[1-9\]\[0-9\]* FPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && lp64 } } } } */ |
| /* { dg-final { scan-tree-dump "f4: va_list escapes 0, needs to save 0 GPR units and \[1-9\]\[0-9\]* FPR units" "stdarg" { target { powerpc*-*-linux* && { powerpc_fprs && ilp32 } } } } } */ |
| /* { dg-final { scan-tree-dump "f4: va_list escapes 0, needs to save 8 GPR units and 2" "stdarg" { target alpha*-*-linux* } } } */ |
| /* { dg-final { scan-tree-dump "f4: va_list escapes 0, needs to save 0 GPR units and 1 FPR units" "stdarg" { target s390*-*-linux* } } } */ |
| /* { dg-final { scan-tree-dump "f4: va_list escapes 0, needs to save \[148\] GPR units" "stdarg" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } } */ |
| /* { dg-final { scan-tree-dump "f4: va_list escapes 0, needs to save \[148\] GPR units" "stdarg" { target ia64-*-* } } } */ |
| /* { dg-final { scan-tree-dump "f4: va_list escapes 0, needs to save \[148\] GPR units" "stdarg" { target { powerpc*-*-* && lp64 } } } } */ |
| /* { dg-final { cleanup-tree-dump "stdarg" } } */ |