23 lines
575 B
Rust
23 lines
575 B
Rust
//@ unit-test: GVN
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//@ compile-flags: -Zmir-enable-passes=+SimplifyConstCondition-after-const-prop
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// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
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#[inline(never)]
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fn foo(_: i32) { }
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// EMIT_MIR switch_int.main.GVN.diff
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// EMIT_MIR switch_int.main.SimplifyConstCondition-after-const-prop.diff
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fn main() {
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// CHECK-LABEL: fn main(
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// CHECK: bb0: {
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// CHECK-NOT: switchInt(
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// CHECK: goto -> [[bb:bb.*]];
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// CHECK: [[bb]]: {
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// CHECK-NOT: _0 = foo(const -1_i32)
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// CHECK: _0 = foo(const 0_i32)
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match 1 {
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1 => foo(0),
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_ => foo(-1),
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}
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}
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