mirror of https://github.com/rust-lang/rust
36 lines
631 B
Rust
36 lines
631 B
Rust
// Test that jump tables are (not) emitted when the `-Zno-jump-tables`
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// flag is (not) set.
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//@ revisions: unset set
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//@ assembly-output: emit-asm
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//@ compile-flags: -O
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//@ [set] compile-flags: -Zno-jump-tables
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//@ only-x86_64
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//@ ignore-sgx
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#![crate_type = "lib"]
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extern "C" {
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fn bar1();
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fn bar2();
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fn bar3();
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fn bar4();
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fn bar5();
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fn bar6();
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}
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// CHECK-LABEL: foo:
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#[no_mangle]
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pub unsafe fn foo(x: i32) {
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// unset: LJTI0_0
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// set-NOT: LJTI0_0
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match x {
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1 => bar1(),
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2 => bar2(),
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3 => bar3(),
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4 => bar4(),
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5 => bar5(),
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_ => bar6(),
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}
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}
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