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fd4828e40a
I am doing this separately from the actual change to eliminate the option to make it easier to review.
48 lines
942 B
Plaintext
48 lines
942 B
Plaintext
// RUN: %empty-directory(%t)
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// RUN: not --crash %target-sil-opt -enable-sil-verify-all %s 2> %t/err.txt
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// RUN: %FileCheck %s < %t/err.txt
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// REQUIRES: asserts
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// The test in this file is meant to fail the verifier.
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import Builtin
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// CHECK: SIL verification failed: return with stack allocs that haven't been deallocated: state.Stack.empty()
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sil @fail1: $@convention(thin) (Builtin.Int1) -> () {
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bb0(%0 : $Builtin.Int1):
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%2 = integer_literal $Builtin.Int1, -1
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cond_br %0, bb1, bb5
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// Loop.
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bb1:
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%4 = alloc_stack $Builtin.Int32
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cond_br %0, bb2, bb3
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bb2:
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dealloc_stack %4 : $*Builtin.Int32
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cond_br %0, bb4, bb1
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// Cloned loop.
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bb5:
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%6 = alloc_stack $Builtin.Int32
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cond_br %0, bb6, bb3
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bb6:
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dealloc_stack %6 : $*Builtin.Int32
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cond_br %0, bb4, bb5
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// Shared partially unreachable exit block.
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bb3:
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cond_br %0, bb7, bb4
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bb7:
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cond_fail %2 : $Builtin.Int1
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unreachable
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bb4:
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%10 = tuple ()
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return %10 : $()
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}
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