61 lines
989 B
C
61 lines
989 B
C
/* { dg-do compile } */
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/* { dg-options "-O1 -fdump-tree-optimized" } */
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void link_error();
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struct State {
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int p0, p1, p2;
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inline State(){p0=0;p1=0;p2=0;}
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inline State(const State &s) {
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p0 = s.p0;
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p1 = s.p1;
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p2 = s.p2;
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}
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inline void operator =(const State &s) {
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p0 = s.p0;
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p1 = s.p1;
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p2 = s.p2;
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}
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inline void step(void) {
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p0 = p1+p2;
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p1 = p0*p1+p2;
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p2 = p0-p2;
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}
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};
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inline void iterate_ok(State &inS1, State &inS2, unsigned int n)
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{
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State s1 = inS1;
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for (unsigned int i = 0; i < n; i++) {
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s1.step();
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}
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inS1 = s1;
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}
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void temp()
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{
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State s1;
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s1.p0 = 0;
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s1.p1 = 0;
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s1.p2 = 0;
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State s2;
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s2.p0 = 0;
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s2.p1 = 0;
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s2.p2 = 0;
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iterate_ok (s1, s2, 1);
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if (s1.p0)
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link_error();
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if (s1.p0)
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link_error();
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if (s1.p0)
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link_error();
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}
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/* We should have removed the casts from pointers to references and caused SRA to happen. */
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/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */
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