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-rw-r--r--tests/codegen-llvm/asm/s390x-clobbers.rs46
1 files changed, 46 insertions, 0 deletions
diff --git a/tests/codegen-llvm/asm/s390x-clobbers.rs b/tests/codegen-llvm/asm/s390x-clobbers.rs
new file mode 100644
index 00000000000..0ba22a32abf
--- /dev/null
+++ b/tests/codegen-llvm/asm/s390x-clobbers.rs
@@ -0,0 +1,46 @@
+//@ add-core-stubs
+//@ revisions: s390x
+//@[s390x] compile-flags: --target s390x-unknown-linux-gnu -C target-cpu=z10
+//@[s390x] needs-llvm-components: systemz
+
+#![crate_type = "rlib"]
+#![feature(no_core)]
+#![no_core]
+
+extern crate minicore;
+use minicore::*;
+
+// CHECK-LABEL: @cc_clobber
+// CHECK: call void asm sideeffect "", "~{cc}"()
+#[no_mangle]
+pub unsafe fn cc_clobber() {
+    asm!("", options(nostack, nomem));
+}
+
+// CHECK-LABEL: @no_clobber
+// CHECK: call void asm sideeffect "", ""()
+#[no_mangle]
+pub unsafe fn no_clobber() {
+    asm!("", options(nostack, nomem, preserves_flags));
+}
+
+// CHECK-LABEL: @a2_clobber
+// CHECK: call void asm sideeffect "", "~{a2}"()
+#[no_mangle]
+pub unsafe fn a2_clobber() {
+    asm!("", out("a2") _, options(nostack, nomem, preserves_flags));
+}
+
+// CHECK-LABEL: @v0_clobber
+// CHECK: call void asm sideeffect "", "~{v0}"()
+#[no_mangle]
+pub unsafe fn v0_clobber() {
+    asm!("", out("v0") _, options(nostack, nomem, preserves_flags));
+}
+
+// CHECK-LABEL: @clobber_abi
+// CHECK: asm sideeffect "", "={r0},={r1},={r2},={r3},={r4},={r5},={r14},={f0},={f1},={f2},={f3},={f4},={f5},={f6},={f7},~{v0},~{v1},~{v2},~{v3},~{v4},~{v5},~{v6},~{v7},~{v8},~{v9},~{v10},~{v11},~{v12},~{v13},~{v14},~{v15},~{v16},~{v17},~{v18},~{v19},~{v20},~{v21},~{v22},~{v23},~{v24},~{v25},~{v26},~{v27},~{v28},~{v29},~{v30},~{v31},~{a2},~{a3},~{a4},~{a5},~{a6},~{a7},~{a8},~{a9},~{a10},~{a11},~{a12},~{a13},~{a14},~{a15}"()
+#[no_mangle]
+pub unsafe fn clobber_abi() {
+    asm!("", clobber_abi("C"), options(nostack, nomem, preserves_flags));
+}