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// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
//@ unit-test: DataflowConstProp
//@ compile-flags: -Zmir-enable-passes=+InstSimplify
// EMIT_MIR_FOR_EACH_BIT_WIDTH
// EMIT_MIR slice_len.main.DataflowConstProp.diff
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// CHECK-LABEL: fn main(
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fn main() {
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// CHECK: debug local => [[local:_.*]];
// CHECK: debug constant => [[constant:_.*]];
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// CHECK-NOT: {{_.*}} = Len(
// CHECK-NOT: {{_.*}} = Lt(
// CHECK-NOT: assert(move _
// CHECK: {{_.*}} = const 3_usize;
// CHECK: {{_.*}} = const true;
// CHECK: assert(const true,
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// CHECK: [[local]] = (*{{_.*}})[1 of 2];
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let local = (&[1u32, 2, 3] as &[u32])[1];
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// CHECK-NOT: {{_.*}} = Len(
// CHECK-NOT: {{_.*}} = Lt(
// CHECK-NOT: assert(move _
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const SLICE: &[u32] = &[1, 2, 3];
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// CHECK: {{_.*}} = const 3_usize;
// CHECK: {{_.*}} = const true;
// CHECK: assert(const true,
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// CHECK-NOT: [[constant]] = (*{{_.*}})[_
// CHECK: [[constant]] = (*{{_.*}})[1 of 2];
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let constant = SLICE[1];
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}