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689 |
jeremybenn |
/* Skip on MIPS, where LOGICAL_OP_NON_SHORT_CIRCUIT inhibits the setcc
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optimizations that expose the VRP opportunity. */
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/* Skip on S/390 and avr. Lower values in BRANCH_COST lead to two conditional
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jumps when evaluating an && condition. VRP is not able to optimize
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this. */
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/* { dg-do compile { target { ! "mips*-*-* s390*-*-* avr-*-* mn10300-*-*" } } } */
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/* { dg-options "-O2 -fdump-tree-vrp1 -fdump-tree-dom1 -fdump-tree-dom2" } */
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/* { dg-additional-options "-march=i586" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
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int h(int x, int y)
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{
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if ((x >= 0 && x <= 1) && (y >= 0 && y <= 1))
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return x && y;
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else
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return -1;
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}
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int g(int x, int y)
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{
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if ((x >= 0 && x <= 1) && (y >= 0 && y <= 1))
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return x || y;
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else
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return -1;
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}
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int f(int x)
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{
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if (x != 0 && x != 1)
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return -2;
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else
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return !x;
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}
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/* Test that x and y are never compared to 0 -- they're always known to be
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/* { dg-final { scan-tree-dump-times "\[xy\]\[^ \]* !=" 0 "vrp1" } } */
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/* This one needs more copy propagation that only happens in dom1. */
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/* { dg-final { scan-tree-dump-times "x\[^ \]* & y" 1 "dom1" { xfail *-*-* } } } */
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/* { dg-final { scan-tree-dump-times "x\[^ \]* & y" 1 "dom2" } } */
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/* { dg-final { scan-tree-dump-times "x\[^ \]* & y" 1 "vrp1" { xfail *-*-* } } } */
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/* These two are fully simplified by VRP. */
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/* { dg-final { scan-tree-dump-times "x\[^ \]* \[|\] y" 1 "vrp1" } } */
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/* { dg-final { scan-tree-dump-times "x\[^ \]* \\^ 1" 1 "vrp1" } } */
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/* { dg-final { cleanup-tree-dump "vrp1" } } */
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/* { dg-final { cleanup-tree-dump "dom1" } } */
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/* { dg-final { cleanup-tree-dump "dom2" } } */
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