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| author | H.J. Lu <hjl.tools@gmail.com> | 2021-11-10 11:24:44 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2021-11-10 11:27:38 -0800 |
| commit | b83705b477858ba683b99fa61ff9ff83bc5be265 (patch) | |
| tree | a997af2c4d68f2c7851978d96970ab00eaff9950 | |
| parent | 7c8a416da86c175bcb5fa7b49abf3cf343bc068f (diff) | |
| download | gcc-b83705b477858ba683b99fa61ff9ff83bc5be265.zip gcc-b83705b477858ba683b99fa61ff9ff83bc5be265.tar.gz gcc-b83705b477858ba683b99fa61ff9ff83bc5be265.tar.bz2 | |
Add a testcase for PR tree-optimization/102892
PR tree-optimization/102892 is fixed by
commit 4b3a325f07acebf47e82de227ce1d5ba62f5bcae
Author: Aldy Hernandez <aldyh@redhat.com>
Date: Thu Oct 28 15:35:21 2021 +0200
Remove VRP threader passes in exchange for better threading pre-VRP.
PR tree-optimization/102892
* gcc.dg/pr102892-1.c: New file.
* gcc.dg/pr102892-2.c: Likewise.
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr102892-1.c | 21 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr102892-2.c | 7 |
2 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr102892-1.c b/gcc/testsuite/gcc.dg/pr102892-1.c new file mode 100644 index 0000000..a9302b5 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr102892-1.c @@ -0,0 +1,21 @@ +/* { dg-do link } */ +/* { dg-options "-O3" } */ +/* { dg-additional-sources "pr102892-2.c" } */ + +static long b[2][1] = {0}; + +extern void bar(void); +extern void foo(void); + +int +main () +{ + long c = 0; + for (long a; a < 1; ++a) + for (; c <= 1; c++) { + bar(); + if (1 == b[c][0]) + foo(); + } + return 0; +} diff --git a/gcc/testsuite/gcc.dg/pr102892-2.c b/gcc/testsuite/gcc.dg/pr102892-2.c new file mode 100644 index 0000000..b39bd6c --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr102892-2.c @@ -0,0 +1,7 @@ +/* { dg-do compile } */ +/* { dg-options "-O3" } */ + +void +bar (void) +{ +} |