1 files changed, 47 insertions, 0 deletions
diff --git a/tests/codegen-llvm/asm/aarch64-clobbers.rs b/tests/codegen-llvm/asm/aarch64-clobbers.rs
new file mode 100644
index 00000000000..dd3ba1510b5
--- /dev/null
+++ b/tests/codegen-llvm/asm/aarch64-clobbers.rs
@@ -0,0 +1,47 @@
+//@ add-core-stubs
+//@ revisions: aarch64 aarch64_fixed_x18 aarch64_no_x18 aarch64_reserve_x18 arm64ec
+//@[aarch64] compile-flags: --target aarch64-unknown-linux-gnu
+//@[aarch64] needs-llvm-components: aarch64
+//@[aarch64_fixed_x18] compile-flags: --target aarch64-unknown-linux-gnu -Zfixed-x18
+//@[aarch64_fixed_x18] needs-llvm-components: aarch64
+//@[aarch64_no_x18] compile-flags: --target aarch64-pc-windows-msvc
+//@[aarch64_no_x18] needs-llvm-components: aarch64
+// aarch64-unknown-trusty uses aarch64-unknown-unknown-musl which doesn't
+// reserve x18 by default as llvm_target, and pass +reserve-x18 in target-spec.
+//@[aarch64_reserve_x18] compile-flags: --target aarch64-unknown-trusty
+//@[aarch64_reserve_x18] needs-llvm-components: aarch64
+//@[arm64ec] compile-flags: --target arm64ec-pc-windows-msvc
+//@[arm64ec] needs-llvm-components: aarch64
+// ignore-tidy-linelength
+
+#![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: @clobber_abi
+// aarch64: asm sideeffect "", "={w0},={w1},={w2},={w3},={w4},={w5},={w6},={w7},={w8},={w9},={w10},={w11},={w12},={w13},={w14},={w15},={w16},={w17},={w18},={w30},={q0},={q1},={q2},={q3},={q4},={q5},={q6},={q7},={q8},={q9},={q10},={q11},={q12},={q13},={q14},={q15},={q16},={q17},={q18},={q19},={q20},={q21},={q22},={q23},={q24},={q25},={q26},={q27},={q28},={q29},={q30},={q31},~{p0},~{p1},~{p2},~{p3},~{p4},~{p5},~{p6},~{p7},~{p8},~{p9},~{p10},~{p11},~{p12},~{p13},~{p14},~{p15},~{ffr}"()
+// aarch64_fixed_x18: asm sideeffect "", "={w0},={w1},={w2},={w3},={w4},={w5},={w6},={w7},={w8},={w9},={w10},={w11},={w12},={w13},={w14},={w15},={w16},={w17},={w30},={q0},={q1},={q2},={q3},={q4},={q5},={q6},={q7},={q8},={q9},={q10},={q11},={q12},={q13},={q14},={q15},={q16},={q17},={q18},={q19},={q20},={q21},={q22},={q23},={q24},={q25},={q26},={q27},={q28},={q29},={q30},={q31},~{p0},~{p1},~{p2},~{p3},~{p4},~{p5},~{p6},~{p7},~{p8},~{p9},~{p10},~{p11},~{p12},~{p13},~{p14},~{p15},~{ffr}"()
+// aarch64_no_x18: asm sideeffect "", "={w0},={w1},={w2},={w3},={w4},={w5},={w6},={w7},={w8},={w9},={w10},={w11},={w12},={w13},={w14},={w15},={w16},={w17},={w30},={q0},={q1},={q2},={q3},={q4},={q5},={q6},={q7},={q8},={q9},={q10},={q11},={q12},={q13},={q14},={q15},={q16},={q17},={q18},={q19},={q20},={q21},={q22},={q23},={q24},={q25},={q26},={q27},={q28},={q29},={q30},={q31},~{p0},~{p1},~{p2},~{p3},~{p4},~{p5},~{p6},~{p7},~{p8},~{p9},~{p10},~{p11},~{p12},~{p13},~{p14},~{p15},~{ffr}"()
+// aarch64_reserve_x18: asm sideeffect "", "={w0},={w1},={w2},={w3},={w4},={w5},={w6},={w7},={w8},={w9},={w10},={w11},={w12},={w13},={w14},={w15},={w16},={w17},={w30},={q0},={q1},={q2},={q3},={q4},={q5},={q6},={q7},={q8},={q9},={q10},={q11},={q12},={q13},={q14},={q15},={q16},={q17},={q18},={q19},={q20},={q21},={q22},={q23},={q24},={q25},={q26},={q27},={q28},={q29},={q30},={q31},~{p0},~{p1},~{p2},~{p3},~{p4},~{p5},~{p6},~{p7},~{p8},~{p9},~{p10},~{p11},~{p12},~{p13},~{p14},~{p15},~{ffr}"()
+// arm64ec: asm sideeffect "", "={w0},={w1},={w2},={w3},={w4},={w5},={w6},={w7},={w8},={w9},={w10},={w11},={w12},={w15},={w16},={w17},={w30},={q0},={q1},={q2},={q3},={q4},={q5},={q6},={q7},={q8},={q9},={q10},={q11},={q12},={q13},={q14},={q15}"()
+#[no_mangle]
+pub unsafe fn clobber_abi() {
+    asm!("", clobber_abi("C"), options(nostack, nomem, preserves_flags));
+}