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authorAlexander Kornienko <alexfh@google.com>2013-03-26 02:28:59 +0000
committerAlexander Kornienko <alexfh@google.com>2013-03-26 02:28:59 +0000
commitd934545ae6a00aa8a8179a93d11cbd93a5240849 (patch)
treeab44db08aa63a8f94a3e09d6491c4156c624af96 /test/CodeGen/X86/twoaddr-pass-sink.ll
parent868d4470cdfa9472353ea2a49a6c456ddae9c95b (diff)
parentc204410d6bc435e7cb8ea768759a54135e8e92b5 (diff)
Updating branches/google/testing to r177703testing
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/google/testing@177985 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/twoaddr-pass-sink.ll')
-rw-r--r--test/CodeGen/X86/twoaddr-pass-sink.ll30
1 files changed, 30 insertions, 0 deletions
diff --git a/test/CodeGen/X86/twoaddr-pass-sink.ll b/test/CodeGen/X86/twoaddr-pass-sink.ll
new file mode 100644
index 0000000000..9ca280627a
--- /dev/null
+++ b/test/CodeGen/X86/twoaddr-pass-sink.ll
@@ -0,0 +1,30 @@
+; REQUIRES: asserts
+; RUN: llc < %s -march=x86 -mattr=+sse2 -stats 2>&1 | grep "Number of 3-address instructions sunk"
+
+define void @t2(<2 x i64>* %vDct, <2 x i64>* %vYp, i8* %skiplist, <2 x i64> %a1) nounwind {
+entry:
+ %tmp25 = bitcast <2 x i64> %a1 to <8 x i16> ; <<8 x i16>> [#uses=1]
+ br label %bb
+bb: ; preds = %bb, %entry
+ %skiplist_addr.0.rec = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] ; <i32> [#uses=3]
+ %vYp_addr.0.rec = shl i32 %skiplist_addr.0.rec, 3 ; <i32> [#uses=3]
+ %vDct_addr.0 = getelementptr <2 x i64>* %vDct, i32 %vYp_addr.0.rec ; <<2 x i64>*> [#uses=1]
+ %vYp_addr.0 = getelementptr <2 x i64>* %vYp, i32 %vYp_addr.0.rec ; <<2 x i64>*> [#uses=1]
+ %skiplist_addr.0 = getelementptr i8* %skiplist, i32 %skiplist_addr.0.rec ; <i8*> [#uses=1]
+ %vDct_addr.0.sum43 = or i32 %vYp_addr.0.rec, 1 ; <i32> [#uses=1]
+ %tmp7 = getelementptr <2 x i64>* %vDct, i32 %vDct_addr.0.sum43 ; <<2 x i64>*> [#uses=1]
+ %tmp8 = load <2 x i64>* %tmp7, align 16 ; <<2 x i64>> [#uses=1]
+ %tmp11 = load <2 x i64>* %vDct_addr.0, align 16 ; <<2 x i64>> [#uses=1]
+ %tmp13 = bitcast <2 x i64> %tmp8 to <8 x i16> ; <<8 x i16>> [#uses=1]
+ %tmp15 = bitcast <2 x i64> %tmp11 to <8 x i16> ; <<8 x i16>> [#uses=1]
+ %tmp16 = shufflevector <8 x i16> %tmp15, <8 x i16> %tmp13, <8 x i32> < i32 0, i32 8, i32 1, i32 9, i32 2, i32 10, i32 3, i32 11 > ; <<8 x i16>> [#uses=1]
+ %tmp26 = mul <8 x i16> %tmp25, %tmp16 ; <<8 x i16>> [#uses=1]
+ %tmp27 = bitcast <8 x i16> %tmp26 to <2 x i64> ; <<2 x i64>> [#uses=1]
+ store <2 x i64> %tmp27, <2 x i64>* %vYp_addr.0, align 16
+ %tmp37 = load i8* %skiplist_addr.0, align 1 ; <i8> [#uses=1]
+ %tmp38 = icmp eq i8 %tmp37, 0 ; <i1> [#uses=1]
+ %indvar.next = add i32 %skiplist_addr.0.rec, 1 ; <i32> [#uses=1]
+ br i1 %tmp38, label %return, label %bb
+return: ; preds = %bb
+ ret void
+}