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-rw-r--r--tests/codegen-llvm/asm/goto.rs63
1 files changed, 63 insertions, 0 deletions
diff --git a/tests/codegen-llvm/asm/goto.rs b/tests/codegen-llvm/asm/goto.rs
new file mode 100644
index 00000000000..f68c399c920
--- /dev/null
+++ b/tests/codegen-llvm/asm/goto.rs
@@ -0,0 +1,63 @@
+//@ compile-flags: -Copt-level=3
+//@ only-x86_64
+
+#![crate_type = "rlib"]
+#![feature(asm_goto_with_outputs)]
+
+use std::arch::asm;
+
+// CHECK-LABEL: @asm_goto
+#[no_mangle]
+pub unsafe fn asm_goto() {
+    // CHECK: callbr void asm sideeffect alignstack inteldialect "
+    // CHECK-NEXT: to label %[[FALLTHROUGHBB:[a-b0-9]+]] [label %[[JUMPBB:[a-b0-9]+]]]
+    asm!("jmp {}", label {});
+}
+
+// CHECK-LABEL: @asm_goto_with_outputs
+#[no_mangle]
+pub unsafe fn asm_goto_with_outputs() -> u64 {
+    let out: u64;
+    // CHECK: [[RES:%[0-9]+]] = callbr i64 asm sideeffect alignstack inteldialect "
+    // CHECK-NEXT: to label %[[FALLTHROUGHBB:[a-b0-9]+]] [label %[[JUMPBB:[a-b0-9]+]]]
+    asm!("{} /* {} */", out(reg) out, label { return 1; });
+    // CHECK: [[JUMPBB]]:
+    // CHECK-NEXT: [[RET:%.+]] = phi i64 [ [[RES]], %[[FALLTHROUGHBB]] ], [ 1, %start ]
+    // CHECK-NEXT: ret i64 [[RET]]
+    out
+}
+
+// CHECK-LABEL: @asm_goto_with_outputs_use_in_label
+#[no_mangle]
+pub unsafe fn asm_goto_with_outputs_use_in_label() -> u64 {
+    let out: u64;
+    // CHECK: [[RES:%[0-9]+]] = callbr i64 asm sideeffect alignstack inteldialect "
+    // CHECK-NEXT: to label %[[FALLTHROUGHBB:[a-b0-9]+]] [label %[[JUMPBB:[a-b0-9]+]]]
+    asm!("{} /* {} */", out(reg) out, label { return out; });
+    // CHECK: [[JUMPBB]]:
+    // CHECK-NEXT: [[RET:%.+]] = phi i64 [ 1, %[[FALLTHROUGHBB]] ], [ [[RES]], %start ]
+    // CHECK-NEXT: ret i64 [[RET]]
+    1
+}
+
+// CHECK-LABEL: @asm_goto_noreturn
+#[no_mangle]
+pub unsafe fn asm_goto_noreturn() -> u64 {
+    // CHECK: callbr void asm sideeffect alignstack inteldialect "
+    // CHECK-NEXT: to label %unreachable [label %[[JUMPBB:[a-b0-9]+]]]
+    asm!("jmp {}", label { return 1; }, options(noreturn));
+    // CHECK: [[JUMPBB]]:
+    // CHECK-NEXT: ret i64 1
+}
+
+// CHECK-LABEL: @asm_goto_noreturn_with_outputs
+#[no_mangle]
+pub unsafe fn asm_goto_noreturn_with_outputs() -> u64 {
+    let out: u64;
+    // CHECK: [[RES:%[0-9]+]] = callbr i64 asm sideeffect alignstack inteldialect "
+    // CHECK-NEXT: to label %[[FALLTHROUGHBB:[a-b0-9]+]] [label %[[JUMPBB:[a-b0-9]+]]]
+    asm!("mov {}, 1", "jmp {}", out(reg) out, label { return out; });
+    // CHECK: [[JUMPBB]]:
+    // CHECK-NEXT: ret i64 [[RES]]
+    out
+}