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Perform reference propagation earlier.

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This commit is contained in:
Camille GILLOT
2023-03-12 14:10:30 +00:00
parent b74a144a5f
commit 4de2d8fb66
20 changed files with 96 additions and 86 deletions
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32
tests/codegen/slice-ref-equality.rs
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@@ -44,48 +44,48 @@ pub fn is_zero_array(data: &[u8; 4]) -> bool {
// equality for non-byte types also just emit a `bcmp`, not a loop.
// CHECK-LABEL: @eq_slice_of_nested_u8(
// CHECK-SAME: [[USIZE:i16|i32|i64]] noundef %1
// CHECK-SAME: [[USIZE]] noundef %3
// CHECK-SAME: [[USIZE:i16|i32|i64]] noundef %x.1
// CHECK-SAME: [[USIZE]] noundef %y.1
#[no_mangle]
fn eq_slice_of_nested_u8(x: &[[u8; 3]], y: &[[u8; 3]]) -> bool {
// CHECK: icmp eq [[USIZE]] %1, %3
// CHECK: %[[BYTES:.+]] = mul nsw [[USIZE]] %1, 3
// CHECK: icmp eq [[USIZE]] %x.1, %y.1
// CHECK: %[[BYTES:.+]] = mul nsw [[USIZE]] %x.1, 3
// CHECK: tail call{{( noundef)?}} i32 @{{bcmp|memcmp}}({{i8\*|ptr}}
// CHECK-SAME: , [[USIZE]]{{( noundef)?}} %[[BYTES]])
x == y
}
// CHECK-LABEL: @eq_slice_of_i32(
// CHECK-SAME: [[USIZE:i16|i32|i64]] noundef %1
// CHECK-SAME: [[USIZE]] noundef %3
// CHECK-SAME: [[USIZE:i16|i32|i64]] noundef %x.1
// CHECK-SAME: [[USIZE]] noundef %y.1
#[no_mangle]
fn eq_slice_of_i32(x: &[i32], y: &[i32]) -> bool {
// CHECK: icmp eq [[USIZE]] %1, %3
// CHECK: %[[BYTES:.+]] = shl nsw [[USIZE]] %1, 2
// CHECK: icmp eq [[USIZE]] %x.1, %y.1
// CHECK: %[[BYTES:.+]] = shl nsw [[USIZE]] %x.1, 2
// CHECK: tail call{{( noundef)?}} i32 @{{bcmp|memcmp}}({{i32\*|ptr}}
// CHECK-SAME: , [[USIZE]]{{( noundef)?}} %[[BYTES]])
x == y
}
// CHECK-LABEL: @eq_slice_of_nonzero(
// CHECK-SAME: [[USIZE:i16|i32|i64]] noundef %1
// CHECK-SAME: [[USIZE]] noundef %3
// CHECK-SAME: [[USIZE:i16|i32|i64]] noundef %x.1
// CHECK-SAME: [[USIZE]] noundef %y.1
#[no_mangle]
fn eq_slice_of_nonzero(x: &[NonZeroU32], y: &[NonZeroU32]) -> bool {
// CHECK: icmp eq [[USIZE]] %1, %3
// CHECK: %[[BYTES:.+]] = shl nsw [[USIZE]] %1, 2
// CHECK: icmp eq [[USIZE]] %x.1, %y.1
// CHECK: %[[BYTES:.+]] = shl nsw [[USIZE]] %x.1, 2
// CHECK: tail call{{( noundef)?}} i32 @{{bcmp|memcmp}}({{i32\*|ptr}}
// CHECK-SAME: , [[USIZE]]{{( noundef)?}} %[[BYTES]])
x == y
}
// CHECK-LABEL: @eq_slice_of_option_of_nonzero(
// CHECK-SAME: [[USIZE:i16|i32|i64]] noundef %1
// CHECK-SAME: [[USIZE]] noundef %3
// CHECK-SAME: [[USIZE:i16|i32|i64]] noundef %x.1
// CHECK-SAME: [[USIZE]] noundef %y.1
#[no_mangle]
fn eq_slice_of_option_of_nonzero(x: &[Option<NonZeroI16>], y: &[Option<NonZeroI16>]) -> bool {
// CHECK: icmp eq [[USIZE]] %1, %3
// CHECK: %[[BYTES:.+]] = shl nsw [[USIZE]] %1, 1
// CHECK: icmp eq [[USIZE]] %x.1, %y.1
// CHECK: %[[BYTES:.+]] = shl nsw [[USIZE]] %x.1, 1
// CHECK: tail call{{( noundef)?}} i32 @{{bcmp|memcmp}}({{i16\*|ptr}}
// CHECK-SAME: , [[USIZE]]{{( noundef)?}} %[[BYTES]])
x == y