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authorGuillaume Gomez <guillaume1.gomez@gmail.com>2025-07-21 14:34:12 +0200
committerGuillaume Gomez <guillaume1.gomez@gmail.com>2025-07-22 14:28:48 +0200
commita27f3e3fd1e4d16160f8885b6b06665b5319f56c (patch)
treeb033935392cbadf6f85d2dbddf433a88e323aeeb /tests/codegen/uninit-consts.rs
parented93c1783b404d728d4809973a0550eb33cd293f (diff)
downloadrust-a27f3e3fd1e4d16160f8885b6b06665b5319f56c.tar.gz
rust-a27f3e3fd1e4d16160f8885b6b06665b5319f56c.zip
Rename `tests/codegen` into `tests/codegen-llvm`
Diffstat (limited to 'tests/codegen/uninit-consts.rs')
-rw-r--r--tests/codegen/uninit-consts.rs54
1 files changed, 0 insertions, 54 deletions
diff --git a/tests/codegen/uninit-consts.rs b/tests/codegen/uninit-consts.rs
deleted file mode 100644
index bde71a35c47..00000000000
--- a/tests/codegen/uninit-consts.rs
+++ /dev/null
@@ -1,54 +0,0 @@
-//@ compile-flags: -C no-prepopulate-passes
-
-// Check that we use undef (and not zero) for uninitialized bytes in constants.
-
-#![crate_type = "lib"]
-
-use std::mem::MaybeUninit;
-
-pub struct PartiallyUninit {
-    x: u32,
-    y: MaybeUninit<[u8; 10]>,
-}
-
-// CHECK: [[FULLY_UNINIT:@.*]] = private unnamed_addr constant [10 x i8] undef
-
-// CHECK: [[PARTIALLY_UNINIT:@.*]] = private unnamed_addr constant <{ [4 x i8], [12 x i8] }> <{ [4 x i8] c"{{\\EF\\BE\\AD\\DE|\\DE\\AD\\BE\\EF}}", [12 x i8] undef }>, align 4
-
-// This shouldn't contain undef, since it contains more chunks
-// than the default value of uninit_const_chunk_threshold.
-// CHECK: [[UNINIT_PADDING_HUGE:@.*]] = private unnamed_addr constant [32768 x i8] c"{{.+}}", align 4
-
-// CHECK: [[FULLY_UNINIT_HUGE:@.*]] = private unnamed_addr constant [16384 x i8] undef
-
-// CHECK-LABEL: @fully_uninit
-#[no_mangle]
-pub const fn fully_uninit() -> MaybeUninit<[u8; 10]> {
-    const M: MaybeUninit<[u8; 10]> = MaybeUninit::uninit();
-    // CHECK: call void @llvm.memcpy.{{.+}}(ptr align 1 %_0, ptr align 1 {{.*}}[[FULLY_UNINIT]]{{.*}}, i{{(32|64)}} 10, i1 false)
-    M
-}
-
-// CHECK-LABEL: @partially_uninit
-#[no_mangle]
-pub const fn partially_uninit() -> PartiallyUninit {
-    const X: PartiallyUninit = PartiallyUninit { x: 0xdeadbeef, y: MaybeUninit::uninit() };
-    // CHECK: call void @llvm.memcpy.{{.+}}(ptr align 4 %_0, ptr align 4 {{.*}}[[PARTIALLY_UNINIT]]{{.*}}, i{{(32|64)}} 16, i1 false)
-    X
-}
-
-// CHECK-LABEL: @uninit_padding_huge
-#[no_mangle]
-pub const fn uninit_padding_huge() -> [(u32, u8); 4096] {
-    const X: [(u32, u8); 4096] = [(123, 45); 4096];
-    // CHECK: call void @llvm.memcpy.{{.+}}(ptr align 4 %_0, ptr align 4 {{.*}}[[UNINIT_PADDING_HUGE]]{{.*}}, i{{(32|64)}} 32768, i1 false)
-    X
-}
-
-// CHECK-LABEL: @fully_uninit_huge
-#[no_mangle]
-pub const fn fully_uninit_huge() -> MaybeUninit<[u32; 4096]> {
-    const F: MaybeUninit<[u32; 4096]> = MaybeUninit::uninit();
-    // CHECK: call void @llvm.memcpy.{{.+}}(ptr align 4 %_0, ptr align 4 {{.*}}[[FULLY_UNINIT_HUGE]]{{.*}}, i{{(32|64)}} 16384, i1 false)
-    F
-}