mirror of https://github.com/llvm/circt.git
22 lines
707 B
MLIR
22 lines
707 B
MLIR
// RUN: circt-opt %s -test-cyclic-problem -verify-diagnostics -split-input-file
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// expected-error@+2 {{Invalid initiation interval}}
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// expected-error@+1 {{problem verification failed}}
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func @no_II() {
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return { problemStartTime = 0 }
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}
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// -----
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// expected-error@+2 {{Precedence violated for dependence}}
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// expected-error@+1 {{problem verification failed}}
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func @backedge_violated(%a1 : i32, %a2 : i32) -> i32 attributes {
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problemInitiationInterval = 2,
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auxdeps = [ [2,0,1] ]
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} {
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%0 = arith.addi %a1, %a2 { problemStartTime = 0 } : i32
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%1 = arith.addi %0, %0 { problemStartTime = 1 } : i32
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%2 = arith.addi %1, %1 { problemStartTime = 2 } : i32
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return { problemStartTime = 3 } %2 : i32
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}
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