31 files changed, 133 insertions, 1 deletions
diff --git a/tests/assembly/powerpc64-struct-abi.rs b/tests/assembly/powerpc64-struct-abi.rs
new file mode 100644
index 00000000000..9a3540d8b41
--- /dev/null
+++ b/tests/assembly/powerpc64-struct-abi.rs
@@ -0,0 +1,132 @@
+//@ revisions: elfv1-be elfv2-be elfv2-le
+//@ assembly-output: emit-asm
+//@ compile-flags: -O
+//@[elfv1-be] compile-flags: --target powerpc64-unknown-linux-gnu
+//@[elfv1-be] needs-llvm-components: powerpc
+//@[elfv2-be] compile-flags: --target powerpc64-unknown-linux-musl
+//@[elfv2-be] needs-llvm-components: powerpc
+//@[elfv2-le] compile-flags: --target powerpc64le-unknown-linux-gnu
+//@[elfv2-le] needs-llvm-components: powerpc
+//@[elfv1-be] filecheck-flags: --check-prefix be
+//@[elfv2-be] filecheck-flags: --check-prefix be
+
+#![feature(no_core, lang_items)]
+#![no_std]
+#![no_core]
+#![crate_type = "lib"]
+
+#[lang = "sized"]
+trait Sized {}
+
+#[lang = "copy"]
+trait Copy {}
+
+#[lang = "freeze"]
+trait Freeze {}
+
+#[lang = "unpin"]
+trait Unpin {}
+
+impl Copy for u8 {}
+impl Copy for u16 {}
+impl Copy for u32 {}
+impl Copy for FiveU32s {}
+impl Copy for FiveU16s {}
+impl Copy for ThreeU8s {}
+
+#[repr(C)]
+struct FiveU32s(u32, u32, u32, u32, u32);
+
+#[repr(C)]
+struct FiveU16s(u16, u16, u16, u16, u16);
+
+#[repr(C)]
+struct ThreeU8s(u8, u8, u8);
+
+// CHECK-LABEL: read_large
+// be: lwz [[REG1:.*]], 16(4)
+// be-NEXT: stw [[REG1]], 16(3)
+// be-NEXT: ld [[REG2:.*]], 8(4)
+// be-NEXT: ld [[REG3:.*]], 0(4)
+// be-NEXT: std [[REG2]], 8(3)
+// be-NEXT: std [[REG3]], 0(3)
+// elfv2-le: lxvd2x [[REG1:.*]], 0, 4
+// elfv2-le-NEXT: lwz [[REG2:.*]], 16(4)
+// elfv2-le-NEXT: stw [[REG2]], 16(3)
+// elfv2-le-NEXT: stxvd2x [[REG1]], 0, 3
+// CHECK-NEXT: blr
+#[no_mangle]
+extern "C" fn read_large(x: &FiveU32s) -> FiveU32s {
+    *x
+}
+
+// CHECK-LABEL: read_medium
+// elfv1-be: lhz [[REG1:.*]], 8(4)
+// elfv1-be-NEXT: ld [[REG2:.*]], 0(4)
+// elfv1-be-NEXT: sth [[REG1]], 8(3)
+// elfv1-be-NEXT: std [[REG2]], 0(3)
+// elfv2-be: lhz [[REG1:.*]], 8(3)
+// elfv2-be-NEXT: ld 3, 0(3)
+// elfv2-be-NEXT: sldi 4, [[REG1]], 48
+// elfv2-le: ld [[REG1:.*]], 0(3)
+// elfv2-le-NEXT: lhz 4, 8(3)
+// elfv2-le-NEXT: mr 3, [[REG1]]
+// CHECK-NEXT: blr
+#[no_mangle]
+extern "C" fn read_medium(x: &FiveU16s) -> FiveU16s {
+    *x
+}
+
+// CHECK-LABEL: read_small
+// elfv1-be: lbz [[REG1:.*]], 2(4)
+// elfv1-be-NEXT: lhz [[REG2:.*]], 0(4)
+// elfv1-be-NEXT: stb [[REG1]], 2(3)
+// elfv1-be-NEXT: sth [[REG2]], 0(3)
+// elfv2-be: lhz [[REG1:.*]], 0(3)
+// elfv2-be-NEXT: lbz 3, 2(3)
+// elfv2-be-NEXT: rldimi 3, [[REG1]], 8, 0
+// elfv2-le: lbz [[REG1:.*]], 2(3)
+// elfv2-le-NEXT: lhz 3, 0(3)
+// elfv2-le-NEXT: rldimi 3, [[REG1]], 16, 0
+// CHECK-NEXT: blr
+#[no_mangle]
+extern "C" fn read_small(x: &ThreeU8s) -> ThreeU8s {
+    *x
+}
+
+// CHECK-LABEL: write_large
+// CHECK: std 3, 0(6)
+// be-NEXT: rldicl [[REG1:.*]], 5, 32, 32
+// CHECK-NEXT: std 4, 8(6)
+// be-NEXT: stw [[REG1]], 16(6)
+// elfv2-le-NEXT: stw 5, 16(6)
+// CHECK-NEXT: blr
+#[no_mangle]
+extern "C" fn write_large(x: FiveU32s, dest: &mut FiveU32s) {
+    *dest = x;
+}
+
+// CHECK-LABEL: write_medium
+// CHECK: std 3, 0(5)
+// be-NEXT: rldicl [[REG1:.*]], 4, 16, 48
+// be-NEXT: sth [[REG1]], 8(5)
+// elfv2-le-NEXT: sth 4, 8(5)
+// CHECK-NEXT: blr
+#[no_mangle]
+extern "C" fn write_medium(x: FiveU16s, dest: &mut FiveU16s) {
+    *dest = x;
+}
+
+// CHECK-LABEL: write_small
+// be: stb 3, 2(4)
+// be-NEXT: srwi [[REG1:.*]], 3, 8
+// be-NEXT: sth [[REG1]], 0(4)
+// The order these instructions are emitted in changed in LLVM 18.
+// elfv2-le-DAG: sth 3, 0(4)
+// elfv2-le-DAG: srwi [[REG1:.*]], 3, 16
+// elfv2-le-NEXT: stb [[REG1]], 2(4)
+// CHECK-NEXT: blr
+#[no_mangle]
+extern "C" fn write_small(x: ThreeU8s, dest: &mut ThreeU8s) {
+    *dest = x;
+}
diff --git a/tests/ui/sanitizer/cfi-assoc-ty-lifetime-issue-123053.rs b/tests/ui/sanitizer/cfi/assoc-ty-lifetime-issue-123053.rs
index dd604b6bf7d..dd604b6bf7d 100644
--- a/tests/ui/sanitizer/cfi-assoc-ty-lifetime-issue-123053.rs
+++ b/tests/ui/sanitizer/cfi/assoc-ty-lifetime-issue-123053.rs
diff --git a/tests/ui/sanitizer/cfi-async-closures.rs b/tests/ui/sanitizer/cfi/async-closures.rs
index d94f2992d84..d94f2992d84 100644
--- a/tests/ui/sanitizer/cfi-async-closures.rs
+++ b/tests/ui/sanitizer/cfi/async-closures.rs
diff --git a/tests/ui/sanitizer/cfi-can-reveal-opaques.rs b/tests/ui/sanitizer/cfi/can-reveal-opaques.rs
index 55988a62a8c..55988a62a8c 100644
--- a/tests/ui/sanitizer/cfi-can-reveal-opaques.rs
+++ b/tests/ui/sanitizer/cfi/can-reveal-opaques.rs
diff --git a/tests/ui/sanitizer/cfi-canonical-jump-tables-requires-cfi.rs b/tests/ui/sanitizer/cfi/canonical-jump-tables-requires-cfi.rs
index 10c5bf6ea5e..10c5bf6ea5e 100644
--- a/tests/ui/sanitizer/cfi-canonical-jump-tables-requires-cfi.rs
+++ b/tests/ui/sanitizer/cfi/canonical-jump-tables-requires-cfi.rs
diff --git a/tests/ui/sanitizer/cfi-canonical-jump-tables-requires-cfi.stderr b/tests/ui/sanitizer/cfi/canonical-jump-tables-requires-cfi.stderr
index de67d6a6b7f..de67d6a6b7f 100644
--- a/tests/ui/sanitizer/cfi-canonical-jump-tables-requires-cfi.stderr
+++ b/tests/ui/sanitizer/cfi/canonical-jump-tables-requires-cfi.stderr
diff --git a/tests/ui/sanitizer/cfi-closures.rs b/tests/ui/sanitizer/cfi/closures.rs
index 9f9002da674..9f9002da674 100644
--- a/tests/ui/sanitizer/cfi-closures.rs
+++ b/tests/ui/sanitizer/cfi/closures.rs
diff --git a/tests/ui/sanitizer/cfi-complex-receiver.rs b/tests/ui/sanitizer/cfi/complex-receiver.rs
index c7b45a775ca..c7b45a775ca 100644
--- a/tests/ui/sanitizer/cfi-complex-receiver.rs
+++ b/tests/ui/sanitizer/cfi/complex-receiver.rs
diff --git a/tests/ui/sanitizer/cfi-coroutine.rs b/tests/ui/sanitizer/cfi/coroutine.rs
index ad994fcf737..ad994fcf737 100644
--- a/tests/ui/sanitizer/cfi-coroutine.rs
+++ b/tests/ui/sanitizer/cfi/coroutine.rs
diff --git a/tests/ui/sanitizer/cfi-drop-in-place.rs b/tests/ui/sanitizer/cfi/drop-in-place.rs
index 8ce2c432602..8ce2c432602 100644
--- a/tests/ui/sanitizer/cfi-drop-in-place.rs
+++ b/tests/ui/sanitizer/cfi/drop-in-place.rs
diff --git a/tests/ui/sanitizer/cfi-drop-no-principal.rs b/tests/ui/sanitizer/cfi/drop-no-principal.rs
index c1c88c8c71c..c1c88c8c71c 100644
--- a/tests/ui/sanitizer/cfi-drop-no-principal.rs
+++ b/tests/ui/sanitizer/cfi/drop-no-principal.rs
diff --git a/tests/ui/sanitizer/cfi-fn-ptr.rs b/tests/ui/sanitizer/cfi/fn-ptr.rs
index 505b4b8e7f0..505b4b8e7f0 100644
--- a/tests/ui/sanitizer/cfi-fn-ptr.rs
+++ b/tests/ui/sanitizer/cfi/fn-ptr.rs
diff --git a/tests/ui/sanitizer/cfi-generalize-pointers-attr-cfg.rs b/tests/ui/sanitizer/cfi/generalize-pointers-attr-cfg.rs
index d46002c69fd..d46002c69fd 100644
--- a/tests/ui/sanitizer/cfi-generalize-pointers-attr-cfg.rs
+++ b/tests/ui/sanitizer/cfi/generalize-pointers-attr-cfg.rs
diff --git a/tests/ui/sanitizer/cfi-generalize-pointers-requires-cfi.rs b/tests/ui/sanitizer/cfi/generalize-pointers-requires-cfi.rs
index 8ba13bd3639..8ba13bd3639 100644
--- a/tests/ui/sanitizer/cfi-generalize-pointers-requires-cfi.rs
+++ b/tests/ui/sanitizer/cfi/generalize-pointers-requires-cfi.rs
diff --git a/tests/ui/sanitizer/cfi-generalize-pointers-requires-cfi.stderr b/tests/ui/sanitizer/cfi/generalize-pointers-requires-cfi.stderr
index 621708de241..621708de241 100644
--- a/tests/ui/sanitizer/cfi-generalize-pointers-requires-cfi.stderr
+++ b/tests/ui/sanitizer/cfi/generalize-pointers-requires-cfi.stderr
diff --git a/tests/ui/sanitizer/cfi-invalid-attr-cfi-encoding.rs b/tests/ui/sanitizer/cfi/invalid-attr-encoding.rs
index 7ef6bd2f0ac..7ef6bd2f0ac 100644
--- a/tests/ui/sanitizer/cfi-invalid-attr-cfi-encoding.rs
+++ b/tests/ui/sanitizer/cfi/invalid-attr-encoding.rs
diff --git a/tests/ui/sanitizer/cfi-invalid-attr-cfi-encoding.stderr b/tests/ui/sanitizer/cfi/invalid-attr-encoding.stderr
index 93ec134241e..1aa6bef17b1 100644
--- a/tests/ui/sanitizer/cfi-invalid-attr-cfi-encoding.stderr
+++ b/tests/ui/sanitizer/cfi/invalid-attr-encoding.stderr
@@ -1,5 +1,5 @@
 error: malformed `cfi_encoding` attribute input
-  --> $DIR/cfi-invalid-attr-cfi-encoding.rs:10:1
+  --> $DIR/invalid-attr-encoding.rs:10:1
    |
 LL | #[cfi_encoding]
    | ^^^^^^^^^^^^^^^ help: must be of the form: `#[cfi_encoding = "encoding"]`
diff --git a/tests/ui/sanitizer/cfi-is-incompatible-with-kcfi.aarch64.stderr b/tests/ui/sanitizer/cfi/is-incompatible-with-kcfi.aarch64.stderr
index 7f596a19104..7f596a19104 100644
--- a/tests/ui/sanitizer/cfi-is-incompatible-with-kcfi.aarch64.stderr
+++ b/tests/ui/sanitizer/cfi/is-incompatible-with-kcfi.aarch64.stderr
diff --git a/tests/ui/sanitizer/cfi-is-incompatible-with-kcfi.rs b/tests/ui/sanitizer/cfi/is-incompatible-with-kcfi.rs
index c628709d7a1..c628709d7a1 100644
--- a/tests/ui/sanitizer/cfi-is-incompatible-with-kcfi.rs
+++ b/tests/ui/sanitizer/cfi/is-incompatible-with-kcfi.rs
diff --git a/tests/ui/sanitizer/cfi-is-incompatible-with-kcfi.x86_64.stderr b/tests/ui/sanitizer/cfi/is-incompatible-with-kcfi.x86_64.stderr
index 7f596a19104..7f596a19104 100644
--- a/tests/ui/sanitizer/cfi-is-incompatible-with-kcfi.x86_64.stderr
+++ b/tests/ui/sanitizer/cfi/is-incompatible-with-kcfi.x86_64.stderr
diff --git a/tests/ui/sanitizer/cfi-normalize-integers-attr-cfg.rs b/tests/ui/sanitizer/cfi/normalize-integers-attr-cfg.rs
index 24c2c2c13da..24c2c2c13da 100644
--- a/tests/ui/sanitizer/cfi-normalize-integers-attr-cfg.rs
+++ b/tests/ui/sanitizer/cfi/normalize-integers-attr-cfg.rs
diff --git a/tests/ui/sanitizer/cfi-normalize-integers-requires-cfi.rs b/tests/ui/sanitizer/cfi/normalize-integers-requires-cfi.rs
index a7ecefbf7ef..a7ecefbf7ef 100644
--- a/tests/ui/sanitizer/cfi-normalize-integers-requires-cfi.rs
+++ b/tests/ui/sanitizer/cfi/normalize-integers-requires-cfi.rs
diff --git a/tests/ui/sanitizer/cfi-normalize-integers-requires-cfi.stderr b/tests/ui/sanitizer/cfi/normalize-integers-requires-cfi.stderr
index 748fb60dad9..748fb60dad9 100644
--- a/tests/ui/sanitizer/cfi-normalize-integers-requires-cfi.stderr
+++ b/tests/ui/sanitizer/cfi/normalize-integers-requires-cfi.stderr
diff --git a/tests/ui/sanitizer/cfi-requires-lto.rs b/tests/ui/sanitizer/cfi/requires-lto.rs
index 5a34f696e05..5a34f696e05 100644
--- a/tests/ui/sanitizer/cfi-requires-lto.rs
+++ b/tests/ui/sanitizer/cfi/requires-lto.rs
diff --git a/tests/ui/sanitizer/cfi-requires-lto.stderr b/tests/ui/sanitizer/cfi/requires-lto.stderr
index efc0c43138e..efc0c43138e 100644
--- a/tests/ui/sanitizer/cfi-requires-lto.stderr
+++ b/tests/ui/sanitizer/cfi/requires-lto.stderr
diff --git a/tests/ui/sanitizer/cfi-self-ref.rs b/tests/ui/sanitizer/cfi/self-ref.rs
index 3b524ac661c..3b524ac661c 100644
--- a/tests/ui/sanitizer/cfi-self-ref.rs
+++ b/tests/ui/sanitizer/cfi/self-ref.rs
diff --git a/tests/ui/sanitizer/cfi-sized-associated-ty.rs b/tests/ui/sanitizer/cfi/sized-associated-ty.rs
index f5b4e22e9d9..f5b4e22e9d9 100644
--- a/tests/ui/sanitizer/cfi-sized-associated-ty.rs
+++ b/tests/ui/sanitizer/cfi/sized-associated-ty.rs
diff --git a/tests/ui/sanitizer/cfi-supertraits.rs b/tests/ui/sanitizer/cfi/supertraits.rs
index 4bb6177577f..4bb6177577f 100644
--- a/tests/ui/sanitizer/cfi-supertraits.rs
+++ b/tests/ui/sanitizer/cfi/supertraits.rs
diff --git a/tests/ui/sanitizer/cfi-virtual-auto.rs b/tests/ui/sanitizer/cfi/virtual-auto.rs
index 6971d516a20..6971d516a20 100644
--- a/tests/ui/sanitizer/cfi-virtual-auto.rs
+++ b/tests/ui/sanitizer/cfi/virtual-auto.rs
diff --git a/tests/ui/sanitizer/cfi-with-rustc-lto-requires-single-codegen-unit.rs b/tests/ui/sanitizer/cfi/with-rustc-lto-requires-single-codegen-unit.rs
index 954e4ec3b85..954e4ec3b85 100644
--- a/tests/ui/sanitizer/cfi-with-rustc-lto-requires-single-codegen-unit.rs
+++ b/tests/ui/sanitizer/cfi/with-rustc-lto-requires-single-codegen-unit.rs
diff --git a/tests/ui/sanitizer/cfi-with-rustc-lto-requires-single-codegen-unit.stderr b/tests/ui/sanitizer/cfi/with-rustc-lto-requires-single-codegen-unit.stderr
index 8d6dc1d8f1e..8d6dc1d8f1e 100644
--- a/tests/ui/sanitizer/cfi-with-rustc-lto-requires-single-codegen-unit.stderr
+++ b/tests/ui/sanitizer/cfi/with-rustc-lto-requires-single-codegen-unit.stderr