Wvla-1.c: Rename to...
* gcc.dg/Wvla-1.c: Rename to... * gcc.dg/Wvla-larger-than-1.c: ...this. * gcc.dg/Wvla-2.c: Rename to... * gcc.dg/Wvla-larger-than-2.c: ...this. * gcc.dg/Wvla-3.c: Rename to... * gcc.dg/Walloca-11.c.: ...this. * gcc.dg/wvla-[1-7].c: Rename to: * gcc.dg/Wvla-[1-7].c: ...this. From-SVN: r241344
This commit is contained in:
Aldy Hernandez
Aldy Hernandez
parent
346a966edf
commit
b70f0b0cc3
14 changed files with 126 additions and 115 deletions
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@ -1,3 +1,14 @@
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2016-10-19 Aldy Hernandez <aldyh@redhat.com>
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* gcc.dg/Wvla-1.c: Rename to...
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* gcc.dg/Wvla-larger-than-1.c: ...this.
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* gcc.dg/Wvla-2.c: Rename to...
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* gcc.dg/Wvla-larger-than-2.c: ...this.
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* gcc.dg/Wvla-3.c: Rename to...
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* gcc.dg/Walloca-11.c.: ...this.
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* gcc.dg/wvla-[1-7].c: Rename to:
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* gcc.dg/Wvla-[1-7].c: ...this.
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2016-10-19 Bin Cheng <bin.cheng@arm.com>
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PR tree-optimization/78005
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12
gcc/testsuite/gcc.dg/Walloca-11.c
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12
gcc/testsuite/gcc.dg/Walloca-11.c
Normal file
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/* { dg-do compile } */
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/* { dg-options "-Walloca -O2" } */
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// Make sure we don't warn on VLA with -Walloca.
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void f (void*);
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void h1 (unsigned n)
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{
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int a [n];
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f (a);
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}
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@ -1,24 +1,5 @@
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/* { dg-do compile } */
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/* { dg-options "-Wvla-larger-than=100 -O2" } */
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/* { dg-options "-std=c89 -Wvla" } */
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typedef __SIZE_TYPE__ size_t;
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extern void useit (char *);
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int num;
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void test_vlas (size_t num)
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{
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char str2[num]; /* { dg-warning "unbounded use" } */
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useit(str2);
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num = 98;
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for (int i=0; i < 1234; ++i) {
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char str[num]; // OK, VLA in a loop, but it is a
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// known size *AND* the compiler takes
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// care of cleaning up between
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// iterations with
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// __builtin_stack_restore.
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useit(str);
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}
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}
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extern void
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func (int i, int array[i]); /* { dg-warning "ISO C90 forbids variable length array 'array'" } */
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@ -1,70 +1,5 @@
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/* { dg-do compile } */
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/* { dg-require-effective-target stdint_types } */
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/* { dg-options "-O2 -Wvla-larger-than=40" } */
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/* { dg-options "-std=c99 -Wvla" } */
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#include <stdint.h>
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void f0 (void *);
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void
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f1 (__SIZE_TYPE__ a)
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{
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if (a <= 10)
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{
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// 10 * 4 bytes = 40: OK!
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uint32_t x[a];
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f0 (x);
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}
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}
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void
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f2 (__SIZE_TYPE__ a)
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{
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if (a <= 11)
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{
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// 11 * 4 bytes = 44: Not OK.
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uint32_t x[a]; // { dg-warning "array may be too large" }
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// { dg-message "note:.*argument may be as large as 44" "note" { target *-*-* } 25 }
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f0 (x);
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}
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}
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void
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f3 (__SIZE_TYPE__ a, __SIZE_TYPE__ b)
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{
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if (a <= 5 && b <= 3)
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{
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// 5 * 3 * 4 bytes = 60: Not OK.
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uint32_t x[a][b]; // { dg-warning "array may be too large" }
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f0 (x);
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}
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}
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void
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f4 (__SIZE_TYPE__ a, __SIZE_TYPE__ b)
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{
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if (a <= 5 && b <= 2)
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{
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// 5 * 2 * 4 bytes = 40 bytes: OK!
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uint32_t x[a][b];
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f0 (x);
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}
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}
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void
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f5 (__SIZE_TYPE__ len)
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{
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// Test that a direct call to __builtin_alloca_with_align is not
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// confused with a VLA.
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void *p = __builtin_alloca_with_align (len, 8);
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f0 (p);
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}
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void
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f6 (unsigned stuff)
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{
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int n = 7000;
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do {
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char a[n]; // { dg-warning "variable-length array is too large" }
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f0 (a);
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} while (stuff--);
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}
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extern void
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func (int i, int array[i]); /* { dg-warning "ISO C90 forbids variable length array 'array'" } */
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/* { dg-do compile } */
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/* { dg-options "-Walloca -O2" } */
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/* { dg-options "-pedantic-errors -std=c89 -Wvla" } */
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// Make sure we don't warn on VLA with -Walloca.
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void f (void*);
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void h1 (unsigned n)
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{
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int a [n];
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f (a);
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}
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extern void
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func (int i, int array[i]); /* { dg-error "ISO C90 forbids variable.* array 'array'" } */
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24
gcc/testsuite/gcc.dg/Wvla-larger-than-1.c
Normal file
24
gcc/testsuite/gcc.dg/Wvla-larger-than-1.c
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/* { dg-do compile } */
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/* { dg-options "-Wvla-larger-than=100 -O2" } */
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typedef __SIZE_TYPE__ size_t;
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extern void useit (char *);
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int num;
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void test_vlas (size_t num)
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{
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char str2[num]; /* { dg-warning "unbounded use" } */
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useit(str2);
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num = 98;
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for (int i=0; i < 1234; ++i) {
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char str[num]; // OK, VLA in a loop, but it is a
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// known size *AND* the compiler takes
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// care of cleaning up between
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// iterations with
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// __builtin_stack_restore.
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useit(str);
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}
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}
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70
gcc/testsuite/gcc.dg/Wvla-larger-than-2.c
Normal file
70
gcc/testsuite/gcc.dg/Wvla-larger-than-2.c
Normal file
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/* { dg-do compile } */
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/* { dg-require-effective-target stdint_types } */
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/* { dg-options "-O2 -Wvla-larger-than=40" } */
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#include <stdint.h>
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void f0 (void *);
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void
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f1 (__SIZE_TYPE__ a)
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{
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if (a <= 10)
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{
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// 10 * 4 bytes = 40: OK!
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uint32_t x[a];
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f0 (x);
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}
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}
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void
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f2 (__SIZE_TYPE__ a)
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{
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if (a <= 11)
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{
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// 11 * 4 bytes = 44: Not OK.
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uint32_t x[a]; // { dg-warning "array may be too large" }
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// { dg-message "note:.*argument may be as large as 44" "note" { target *-*-* } 25 }
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f0 (x);
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}
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}
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void
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f3 (__SIZE_TYPE__ a, __SIZE_TYPE__ b)
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{
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if (a <= 5 && b <= 3)
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{
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// 5 * 3 * 4 bytes = 60: Not OK.
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uint32_t x[a][b]; // { dg-warning "array may be too large" }
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f0 (x);
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}
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}
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void
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f4 (__SIZE_TYPE__ a, __SIZE_TYPE__ b)
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{
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if (a <= 5 && b <= 2)
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{
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// 5 * 2 * 4 bytes = 40 bytes: OK!
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uint32_t x[a][b];
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f0 (x);
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}
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}
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void
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f5 (__SIZE_TYPE__ len)
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{
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// Test that a direct call to __builtin_alloca_with_align is not
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// confused with a VLA.
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void *p = __builtin_alloca_with_align (len, 8);
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f0 (p);
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}
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void
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f6 (unsigned stuff)
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{
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int n = 7000;
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do {
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char a[n]; // { dg-warning "variable-length array is too large" }
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f0 (a);
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} while (stuff--);
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}
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@ -1,5 +0,0 @@
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/* { dg-do compile } */
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/* { dg-options "-std=c89 -Wvla" } */
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extern void
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func (int i, int array[i]); /* { dg-warning "ISO C90 forbids variable length array 'array'" } */
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@ -1,5 +0,0 @@
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/* { dg-do compile } */
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/* { dg-options "-std=c99 -Wvla" } */
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extern void
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func (int i, int array[i]); /* { dg-warning "ISO C90 forbids variable length array 'array'" } */
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@ -1,5 +0,0 @@
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/* { dg-do compile } */
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/* { dg-options "-pedantic-errors -std=c89 -Wvla" } */
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extern void
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func (int i, int array[i]); /* { dg-error "ISO C90 forbids variable.* array 'array'" } */
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