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-rw-r--r--src/test/assembly/static-relocation-model.rs86
1 files changed, 86 insertions, 0 deletions
diff --git a/src/test/assembly/static-relocation-model.rs b/src/test/assembly/static-relocation-model.rs
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+// revisions: x64 A64 ppc64le
+// assembly-output: emit-asm
+// [x64] compile-flags: --target x86_64-unknown-linux-gnu -Crelocation-model=static
+// [x64] needs-llvm-components: x86
+// [A64] compile-flags: --target aarch64-unknown-linux-gnu -Crelocation-model=static
+// [A64] needs-llvm-components: aarch64
+// [ppc64le] compile-flags: --target powerpc64le-unknown-linux-gnu -Crelocation-model=static
+// [ppc64le] needs-llvm-components: powerpc
+
+#![feature(no_core, lang_items)]
+#![no_core]
+#![crate_type="rlib"]
+
+#[lang="sized"]
+trait Sized {}
+
+#[lang="copy"]
+trait Copy {}
+
+#[lang="sync"]
+trait Sync {}
+
+#[lang = "drop_in_place"]
+fn drop_in_place<T>(_: *mut T) {}
+
+impl Copy for u8 {}
+impl Sync for u8 {}
+
+#[no_mangle]
+pub static PIERIS: u8 = 42;
+
+extern "C" {
+ static EXOCHORDA: *mut u8;
+
+ fn chaenomeles();
+}
+
+// CHECK-LABEL: banana:
+// On the next line LLVM 14 produces a `movb`, whereas LLVM 15+ produces a `movzbl`.
+// x64: {{movb|movzbl}} chaenomeles{{(\(%[a-z0-9]+\))?}}, %{{[a-z0-9]+}}
+// A64: adrp [[REG:[a-z0-9]+]], chaenomeles
+// A64-NEXT: ldrb {{[a-z0-9]+}}, {{\[}}[[REG]], :lo12:chaenomeles]
+#[no_mangle]
+pub fn banana() -> u8 {
+ unsafe {
+ *(chaenomeles as *mut u8)
+ }
+}
+
+// CHECK-LABEL: peach:
+// x64: {{movb|movzbl}} banana{{(\(%[a-z0-9]+\))?}}, %{{[a-z0-9]+}}
+// A64: adrp [[REG2:[a-z0-9]+]], banana
+// A64-NEXT: ldrb {{[a-z0-9]+}}, {{\[}}[[REG2]], :lo12:banana]
+#[no_mangle]
+pub fn peach() -> u8 {
+ unsafe {
+ *(banana as *mut u8)
+ }
+}
+
+// CHECK-LABEL: mango:
+// x64: movq EXOCHORDA{{(\(%[a-z0-9]+\))?}}, %[[REG:[a-z0-9]+]]
+// x64-NEXT: {{movb|movzbl}} (%[[REG]]), %{{[a-z0-9]+}}
+// A64: adrp [[REG2:[a-z0-9]+]], EXOCHORDA
+// A64-NEXT: ldr {{[a-z0-9]+}}, {{\[}}[[REG2]], :lo12:EXOCHORDA]
+#[no_mangle]
+pub fn mango() -> u8 {
+ unsafe {
+ *EXOCHORDA
+ }
+}
+
+// CHECK-LABEL: orange:
+// x64: mov{{l|absq}} $PIERIS, %{{[a-z0-9]+}}
+// A64: adrp [[REG2:[a-z0-9]+]], PIERIS
+// A64-NEXT: add {{[a-z0-9]+}}, [[REG2]], :lo12:PIERIS
+#[no_mangle]
+pub fn orange() -> &'static u8 {
+ &PIERIS
+}
+
+// For ppc64 we need to make sure to generate TOC entries even with the static relocation model
+// ppc64le: .tc chaenomeles[TC],chaenomeles
+// ppc64le: .tc banana[TC],banana
+// ppc64le: .tc EXOCHORDA[TC],EXOCHORDA
+// ppc64le: .tc PIERIS[TC],PIERIS