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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/pr46777.c | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/pr46777.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/pr46777.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/pr46777.c b/gcc-4.9/gcc/testsuite/gcc.dg/pr46777.c new file mode 100644 index 000000000..e9f40a080 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/pr46777.c @@ -0,0 +1,49 @@ +/* PR rtl-optimization/46777 */ +/* { dg-do compile } */ +/* { dg-options "-fgcse -O -fno-tree-dominator-opts -funroll-loops" } */ + +struct S { char s[256]; }; + +static inline int +foo (int x, int y) +{ + switch (x) + { + case 1: + case 2: + return 3; + case 3: + case 4: + return 2; + case 5: + switch (y) + { + case 4: + return 1; + } + } + return 0; +} + +void +bar (struct S *x, int *y, int *z, int **w) +{ + switch (*y ? x->s[*y] : foo (y[1], y[0])) + { + case 3: + if (y + 2 == z) + for (;;) + { + y += 2; + switch (*y ? x->s[*y] : foo (y[1], y[0])) + { + case 6: + break; + default: + *w = y; + } + if (y == z) + break; + } + } +} |