[rustc.git] / src / test / codegen / match-unoptimized.rs

// compile-flags: -C no-prepopulate-passes -Copt-level=0

#![crate_type = "lib"]

#[repr(u16)]
pub enum E2 {
    A = 13,
    B = 42,
}

// For unoptimized code we produce a `br` instead of a `switch`. Compare with
// `src/test/codegen/match-optimized.rs`

// CHECK-LABEL: @exhaustive_match_2
#[no_mangle]
pub fn exhaustive_match_2(e: E2) -> u8 {
    // CHECK: %[[CMP:.+]] = icmp eq i16 %{{.+}}, 13
    // CHECK-NEXT: br i1 %[[CMP:.+]],
    match e {
        E2::A => 0,
        E2::B => 1,
    }
}
Commit	Line	Data
487cf647 FG	1	// compile-flags: -C no-prepopulate-passes -Copt-level=0
	2
	3	#![crate_type = "lib"]
	4
	5	#[repr(u16)]
	6	pub enum E2 {
	7	A = 13,
	8	B = 42,
	9	}
	10
	11	// For unoptimized code we produce a `br` instead of a `switch`. Compare with
	12	// `src/test/codegen/match-optimized.rs`
	13
	14	// CHECK-LABEL: @exhaustive_match_2
	15	#[no_mangle]
	16	pub fn exhaustive_match_2(e: E2) -> u8 {
	17	// CHECK: %[[CMP:.+]] = icmp eq i16 %{{.+}}, 13
	18	// CHECK-NEXT: br i1 %[[CMP:.+]],
	19	match e {
	20	E2::A => 0,
	21	E2::B => 1,
	22	}
	23	}