Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/loop-versioning-10.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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/* { dg-options "-O3 -fdump-tree-lversion-details" } */ /* Test that we can version a gather-like operation in which a variable stride is applied to the index. */ int f1 (int *x, int *index, int step, int n) { int res = 0; for (int i = 0; i < n; ++i) res += x[index[i] * step]; return res; } int f2 (int *x, int *index, int step, int n) { int res = 0; for (int i = 0; i < n; ++i) { int *ptr = x + index[i] * step; res += *ptr; } return res; } int x[1000]; int g1 (int *index, int step, int n) { int res = 0; for (int i = 0; i < n; ++i) res += x[index[i] * step]; return res; } int g2 (int *index, int step, int n) { int res = 0; for (int i = 0; i < n; ++i) { int *ptr = x + index[i] * step; res += *ptr; } return res; } /* { dg-final { scan-tree-dump-times {address term [^\n]* \* loop-invariant} 4 "lversion" } } */ /* { dg-final { scan-tree-dump-times {want to version containing loop} 4 "lversion" } } */ /* { dg-final { scan-tree-dump-times {versioned this loop} 4 "lversion" } } */