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-rw-r--r--llvm/test/CodeGen/Mips/constraint-empty.ll14
1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Mips/constraint-empty.ll b/llvm/test/CodeGen/Mips/constraint-empty.ll
new file mode 100644
index 00000000000..65b5d436457
--- /dev/null
+++ b/llvm/test/CodeGen/Mips/constraint-empty.ll
@@ -0,0 +1,14 @@
+; Check that `getRegForInlineAsmConstraint` does not crash on empty Constraint.
+; RUN: llc -march=mips64 < %s | FileCheck %s
+
+define void @foo() {
+entry:
+ %s = alloca i32, align 4
+ %x = alloca i32, align 4
+ call void asm "", "=*imr,=*m,0,*m,~{$1}"(i32* %x, i32* %s, i32* %x, i32* %s)
+
+; CHECK: #APP
+; CHECK: #NO_APP
+
+ ret void
+}
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