Changes in directory llvm/test/CodeGen/Generic:
i128-addsub.ll added (r1.1)
---
Log message:
add testcase for 128-bit add/sub
---
Diffs of the changes: (+39 -0)
i128-addsub.ll | 39 +++++++++++++++++++++++++++++++++++++++
1 files changed, 39 insertions(+)
Index: llvm/test/CodeGen/Generic/i128-addsub.ll
diff -c /dev/null llvm/test/CodeGen/Generic/i128-addsub.ll:1.1
*** /dev/null Thu May 17 13:22:47 2007
--- llvm/test/CodeGen/Generic/i128-addsub.ll Thu May 17 13:22:37 2007
***************
*** 0 ****
--- 1,39 ----
+ ; RUN: llvm-as < %s | llc
+
+ 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
+ }
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