Analog Devices Blackfin back-end.

[oota-llvm.git] / test / CodeGen / Blackfin / addsub-i128.ll

diff --git a/test/CodeGen/Blackfin/addsub-i128.ll b/test/CodeGen/Blackfin/addsub-i128.ll
new file mode 100644 (file)
index 0000000..8dd04d8
--- /dev/null
+++ b/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
+}