1 files changed, 42 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/Blackfin/addsub-i128.ll b/llvm/test/CodeGen/Blackfin/addsub-i128.ll
new file mode 100644
index 00000000000..8dd04d808a4
--- /dev/null
+++ b/llvm/test/CodeGen/Blackfin/addsub-i128.ll
@@ -0,0 +1,42 @@
+; RUN: llvm-as < %s | llc -march=bfin -verify-machineinstrs
+; XFAIL: *
+; Assertion failed: (isUsed(Reg) && "Using an undefined register!"),
+; function forward, file RegisterScavenging.cpp, line 182.
+
+define void @test_add(i64 %AL, i64 %AH, i64 %BL, i64 %BH, i64* %RL, i64* %RH) {
+entry:
+	%tmp1 = zext i64 %AL to i128		; <i128> [#uses=1]
+	%tmp23 = zext i64 %AH to i128		; <i128> [#uses=1]
+	%tmp4 = shl i128 %tmp23, 64		; <i128> [#uses=1]
+	%tmp5 = or i128 %tmp4, %tmp1		; <i128> [#uses=1]
+	%tmp67 = zext i64 %BL to i128		; <i128> [#uses=1]
+	%tmp89 = zext i64 %BH to i128		; <i128> [#uses=1]
+	%tmp11 = shl i128 %tmp89, 64		; <i128> [#uses=1]
+	%tmp12 = or i128 %tmp11, %tmp67		; <i128> [#uses=1]
+	%tmp15 = add i128 %tmp12, %tmp5		; <i128> [#uses=2]
+	%tmp1617 = trunc i128 %tmp15 to i64		; <i64> [#uses=1]
+	store i64 %tmp1617, i64* %RL
+	%tmp21 = lshr i128 %tmp15, 64		; <i128> [#uses=1]
+	%tmp2122 = trunc i128 %tmp21 to i64		; <i64> [#uses=1]
+	store i64 %tmp2122, i64* %RH
+	ret void
+}
+
+define void @test_sub(i64 %AL, i64 %AH, i64 %BL, i64 %BH, i64* %RL, i64* %RH) {
+entry:
+	%tmp1 = zext i64 %AL to i128		; <i128> [#uses=1]
+	%tmp23 = zext i64 %AH to i128		; <i128> [#uses=1]
+	%tmp4 = shl i128 %tmp23, 64		; <i128> [#uses=1]
+	%tmp5 = or i128 %tmp4, %tmp1		; <i128> [#uses=1]
+	%tmp67 = zext i64 %BL to i128		; <i128> [#uses=1]
+	%tmp89 = zext i64 %BH to i128		; <i128> [#uses=1]
+	%tmp11 = shl i128 %tmp89, 64		; <i128> [#uses=1]
+	%tmp12 = or i128 %tmp11, %tmp67		; <i128> [#uses=1]
+	%tmp15 = sub i128 %tmp5, %tmp12		; <i128> [#uses=2]
+	%tmp1617 = trunc i128 %tmp15 to i64		; <i64> [#uses=1]
+	store i64 %tmp1617, i64* %RL
+	%tmp21 = lshr i128 %tmp15, 64		; <i128> [#uses=1]
+	%tmp2122 = trunc i128 %tmp21 to i64		; <i64> [#uses=1]
+	store i64 %tmp2122, i64* %RH
+	ret void
+}