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| author | Jerry DeLisle <jvdelisle@gcc.gnu.org> | 2025-09-02 15:58:26 -0700 |
|---|---|---|
| committer | Jerry DeLisle <jvdelisle@gcc.gnu.org> | 2025-09-02 15:58:26 -0700 |
| commit | 071b4126c613881f4cb25b4e5c39032964827f88 (patch) | |
| tree | 7ed805786566918630d1d617b1ed8f7310f5fd8e /gcc/testsuite/gcc.dg/tree-ssa/copy-prop-aggregate-zero-2.c | |
| parent | 845d23f3ea08ba873197c275a8857eee7edad996 (diff) | |
| parent | caa1c2f42691d68af4d894a5c3e700ecd2dba080 (diff) | |
| download | gcc-devel/gfortran-test.zip gcc-devel/gfortran-test.tar.gz gcc-devel/gfortran-test.tar.bz2 | |
Merge branch 'master' into gfortran-testdevel/gfortran-test
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/copy-prop-aggregate-zero-2.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/copy-prop-aggregate-zero-2.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/copy-prop-aggregate-zero-2.c b/gcc/testsuite/gcc.dg/tree-ssa/copy-prop-aggregate-zero-2.c new file mode 100644 index 0000000..ce3c612 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/copy-prop-aggregate-zero-2.c @@ -0,0 +1,25 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fno-tree-sra -fdump-tree-optimized -fdump-tree-forwprop1-details" } */ + +extern void link_error (void); + +struct g +{ + unsigned int t; +}; + +struct g f(void) +{ + struct g temp_struct1 ; + temp_struct1.t = 0; + struct g temp_struct2 = temp_struct1; + struct g temp_struct3 = temp_struct2; + struct g temp_struct4 = temp_struct3; + return temp_struct4; +} + +/* There should be no references to any of "temp_struct*" + temporaries. */ +/* { dg-final { scan-tree-dump-times "temp_struct" 0 "optimized" } } */ +/* Also check that forwprop pass did the copy prop. */ +/* { dg-final { scan-tree-dump-times "after previous" 4 "forwprop1" } } */ |