1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/pr37359.ll b/llvm/test/CodeGen/X86/pr37359.ll
new file mode 100644
index 00000000000..40cddb21016
--- /dev/null
+++ b/llvm/test/CodeGen/X86/pr37359.ll
@@ -0,0 +1,17 @@
+; RUN: not llc -o /dev/null %s 2>&1 | FileCheck %s
+target triple = "x86_64--"
+
+@a = global i32 0, align 4
+
+; CHECK: error: couldn't allocate input reg for constraint 'x'
+define i32 @main() {
+entry:
+  %0 = load i32, i32* @a, align 4
+  %cmp = icmp ne i32 %0, 0
+  %1 = call { i32, i32 } asm "", "={ax},={dx},x,~{dirflag},~{fpsr},~{flags}"(i1 %cmp)
+  %asmresult = extractvalue { i32, i32 } %1, 0
+  %asmresult1 = extractvalue { i32, i32 } %1, 1
+  store i32 %asmresult, i32* @a, align 4
+  store i32 %asmresult1, i32* @a, align 4
+  ret i32 0
+}