bjoernager/rust
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Stop forcing array::map through an unnecessary Result

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This commit is contained in:
Scott McMurray 2023-02-02 22:15:23 -08:00
parent 5a7342c3dd
commit 52df0558ea
2 changed files with 71 additions and 60 deletions
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5
tests/codegen/array-map.rs
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@ -1,4 +1,4 @@
// compile-flags: -C opt-level=3 -C target-cpu=x86-64-v3 -C llvm-args=-x86-asm-syntax=intel --emit=llvm-ir,asm
// compile-flags: -C opt-level=3 -C target-cpu=x86-64-v3
// no-system-llvm
// only-x86_64
// ignore-debug (the extra assertions get in the way)
@ -40,8 +40,7 @@ pub fn short_integer_zip_map(x: [u32; 8], y: [u32; 8]) -> [u32; 8] {
#[no_mangle]
pub fn long_integer_map(x: [u32; 64]) -> [u32; 64] {
// CHECK: start:
// CHECK-NEXT: alloca [{{64|65}} x i32]
// CHECK-NEXT: alloca [{{64|65}} x i32]
// CHECK-NEXT: alloca [64 x i32]
// CHECK-NEXT: alloca %"core::mem::manually_drop::ManuallyDrop<[u32; 64]>"
// CHECK-NOT: alloca
x.map(|x| 2 * x + 1)