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Replace assert! with debug_assert! in production code paths.

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This allows the assertions to be disabled in release builds, so that
the code is faster and smaller, at the expense of not performing the
checks. Assertions can be re-enabled in release builds with the
debug-assertions flag in Cargo.toml, as the top-level Cargo.toml
file does.
This commit is contained in:
Dan Gohman
2018-03-12 10:28:35 -07:00
parent e81a27fb5d
commit 30f8daa9d6
43 changed files with 165 additions and 164 deletions
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20
lib/cretonne/src/divconst_magic_numbers.rs
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@@ -43,8 +43,8 @@ pub struct MS64 {
// The actual "magic number" generators follow.
pub fn magicU32(d: u32) -> MU32 {
assert_ne!(d, 0);
assert_ne!(d, 1); // d==1 generates out of range shifts.
debug_assert_ne!(d, 0);
debug_assert_ne!(d, 1); // d==1 generates out of range shifts.
let mut do_add: bool = false;
let mut p: i32 = 31;
@@ -89,8 +89,8 @@ pub fn magicU32(d: u32) -> MU32 {
}
pub fn magicU64(d: u64) -> MU64 {
assert_ne!(d, 0);
assert_ne!(d, 1); // d==1 generates out of range shifts.
debug_assert_ne!(d, 0);
debug_assert_ne!(d, 1); // d==1 generates out of range shifts.
let mut do_add: bool = false;
let mut p: i32 = 63;
@@ -135,9 +135,9 @@ pub fn magicU64(d: u64) -> MU64 {
}
pub fn magicS32(d: i32) -> MS32 {
assert_ne!(d, -1);
assert_ne!(d, 0);
assert_ne!(d, 1);
debug_assert_ne!(d, -1);
debug_assert_ne!(d, 0);
debug_assert_ne!(d, 1);
let two31: u32 = 0x80000000u32;
let mut p: i32 = 31;
let ad: u32 = i32::wrapping_abs(d) as u32;
@@ -178,9 +178,9 @@ pub fn magicS32(d: i32) -> MS32 {
}
pub fn magicS64(d: i64) -> MS64 {
assert_ne!(d, -1);
assert_ne!(d, 0);
assert_ne!(d, 1);
debug_assert_ne!(d, -1);
debug_assert_ne!(d, 0);
debug_assert_ne!(d, 1);
let two63: u64 = 0x8000000000000000u64;
let mut p: i32 = 63;
let ad: u64 = i64::wrapping_abs(d) as u64;