1 files changed, 50 insertions, 0 deletions
diff --git a/llvm/test/Verifier/callbr.ll b/llvm/test/Verifier/callbr.ll
new file mode 100644
index 00000000000..403cc573d0d
--- /dev/null
+++ b/llvm/test/Verifier/callbr.ll
@@ -0,0 +1,50 @@
+; RUN: not opt -S %s -verify 2>&1 | FileCheck %s
+
+; CHECK: Indirect label missing from arglist.
+define void @foo() {
+  ; The %4 in the indirect label list is not found in the blockaddresses in the
+  ; arg list (bad).
+  callbr void asm sideeffect "${0:l} {1:l}", "X,X"(i8* blockaddress(@foo, %3), i8* blockaddress(@foo, %2))
+  to label %1 [label %4, label %2]
+1:
+  ret void
+2:
+  ret void
+3:
+  ret void
+4:
+  ret void
+}
+
+; CHECK-NOT: Indirect label missing from arglist.
+define void @bar() {
+  ; %4 and %2 are both in the indirect label list and the arg list (good).
+  callbr void asm sideeffect "${0:l} ${1:l}", "X,X"(i8* blockaddress(@bar, %4), i8* blockaddress(@bar, %2))
+  to label %1 [label %4, label %2]
+1:
+  ret void
+2:
+  ret void
+3:
+  ret void
+4:
+  ret void
+}
+
+; CHECK-NOT: Indirect label missing from arglist.
+define void @baz() {
+  ; note %2 blockaddress. Such a case is possible when passing the address of
+  ; a label as an input to the inline asm (both address of label and asm goto
+  ; use blockaddress constants; we're testing that the indirect label list from
+  ; the asm goto is in the arg list to the asm).
+  callbr void asm sideeffect "${0:l} ${1:l} ${2:l}", "X,X,X"(i8* blockaddress(@baz, %4), i8* blockaddress(@baz, %2), i8* blockaddress(@baz, %3))
+  to label %1 [label %3, label %4]
+1:
+  ret void
+2:
+  ret void
+3:
+  ret void
+4:
+  ret void
+}