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author | Scott McMurray <scottmcm@users.noreply.github.com> | 2023-04-29 14:45:36 -0700 |
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committer | Scott McMurray <scottmcm@users.noreply.github.com> | 2023-05-03 22:09:33 -0700 |
commit | 8c781b0906209e81f3540d1495becddae9894a25 (patch) | |
tree | d081346058cea327d2c659352cc2b52cd98489fb /tests/codegen | |
parent | 831c9298c8e6542e3ab395216e98aec21f60b470 (diff) | |
download | rust-8c781b0906209e81f3540d1495becddae9894a25.tar.gz |
Add the basic `ascii::Char` type
Diffstat (limited to 'tests/codegen')
-rw-r--r-- | tests/codegen/ascii-char.rs | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/tests/codegen/ascii-char.rs b/tests/codegen/ascii-char.rs new file mode 100644 index 00000000000..4167becf5e9 --- /dev/null +++ b/tests/codegen/ascii-char.rs @@ -0,0 +1,37 @@ +// compile-flags: -C opt-level=1 +// ignore-debug (the extra assertions get in the way) + +#![crate_type = "lib"] +#![feature(ascii_char)] + +use std::ascii::Char as AsciiChar; + +// CHECK-LABEL: i8 @unwrap_digit_from_remainder(i32 +#[no_mangle] +pub fn unwrap_digit_from_remainder(v: u32) -> AsciiChar { + // CHECK-NOT: icmp + // CHECK-NOT: panic + + // CHECK: %[[R:.+]] = urem i32 %v, 10 + // CHECK-NEXT: %[[T:.+]] = trunc i32 %[[R]] to i8 + // CHECK-NEXT: %[[D:.+]] = or i8 %[[T]], 48 + // CHECK-NEXT: ret i8 %[[D]] + + // CHECK-NOT: icmp + // CHECK-NOT: panic + AsciiChar::digit((v % 10) as u8).unwrap() +} + +// CHECK-LABEL: i8 @unwrap_from_masked(i8 +#[no_mangle] +pub fn unwrap_from_masked(b: u8) -> AsciiChar { + // CHECK-NOT: icmp + // CHECK-NOT: panic + + // CHECK: %[[M:.+]] = and i8 %b, 127 + // CHECK-NEXT: ret i8 %[[M]] + + // CHECK-NOT: icmp + // CHECK-NOT: panic + AsciiChar::from_u8(b & 0x7f).unwrap() +} |