vendor/llvm/llvm-release_350-r216957

1 files changed, 11 insertions, 0 deletions

diff --git a/test/CodeGen/AArch64/arm64-inline-asm-zero-reg-error.ll b/test/CodeGen/AArch64/arm64-inline-asm-zero-reg-error.ll
new file mode 100644
index 000000000000..6bfce8f8f6a4
--- /dev/null
+++ b/test/CodeGen/AArch64/arm64-inline-asm-zero-reg-error.ll
@@ -0,0 +1,11 @@
+; RUN: not llc < %s -march=arm64 2>&1 | FileCheck %s
+
+
+; The 'z' constraint allocates either xzr or wzr, but obviously an input of 1 is
+; incompatible.
+define void @test_bad_zero_reg() {
+  tail call void asm sideeffect "USE($0)", "z"(i32 1) nounwind
+; CHECK: error: invalid operand for inline asm constraint 'z'
+
+  ret void
+}