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[oota-llvm.git] / test / CodeGen / X86 / widen_shuffle-1.ll

diff --git a/test/CodeGen/X86/widen_shuffle-1.ll b/test/CodeGen/X86/widen_shuffle-1.ll
index 25dde57c767edbaaceddb1dee2d27184d3286031..7bebb274f6ec05e4d3b267c76263f5ac25bc2469 100644 (file)
--- a/test/CodeGen/X86/widen_shuffle-1.ll
+++ b/test/CodeGen/X86/widen_shuffle-1.ll
@@ -1,34 +1,39 @@
-; RUN: llc < %s -march=x86 -mattr=+sse42 -disable-mmx | FileCheck %s
+; RUN: llc < %s -march=x86 -mattr=+sse42 | FileCheck %s
 
 ; widening shuffle v3float and then a add
 define void @shuf(<3 x float>* %dst.addr, <3 x float> %src1,<3 x float> %src2) nounwind {
 entry:
-; CHECK: insertps
+; CHECK: shuf:
+; CHECK: extractps
 ; CHECK: extractps
        %x = shufflevector <3 x float> %src1, <3 x float> %src2, <3 x i32> < i32 0, i32 1, i32 2>
        %val = fadd <3 x float> %x, %src2
        store <3 x float> %val, <3 x float>* %dst.addr
        ret void
+; CHECK: ret
 }
 
 
 ; widening shuffle v3float with a different mask and then a add
 define void @shuf2(<3 x float>* %dst.addr, <3 x float> %src1,<3 x float> %src2) nounwind {
 entry:
-; CHECK: insertps
+; CHECK: shuf2:
+; CHECK: extractps
 ; CHECK: extractps
        %x = shufflevector <3 x float> %src1, <3 x float> %src2, <3 x i32> < i32 0, i32 4, i32 2>
        %val = fadd <3 x float> %x, %src2
        store <3 x float> %val, <3 x float>* %dst.addr
        ret void
+; CHECK: ret
 }
 
 ; Example of when widening a v3float operation causes the DAG to replace a node
 ; with the operation that we are currently widening, i.e. when replacing
 ; opA with opB, the DAG will produce new operations with opA.
-define void @shuf3(<4 x float> %tmp10, <4 x float> %vecinit15, <4 x float>* %dst) {
+define void @shuf3(<4 x float> %tmp10, <4 x float> %vecinit15, <4 x float>* %dst) nounwind {
 entry:
-; CHECK: pshufd
+; CHECK: shuf3:
+; CHECK: shufps
   %shuffle.i.i.i12 = shufflevector <4 x float> %tmp10, <4 x float> %vecinit15, <4 x i32> <i32 0, i32 1, i32 4, i32 5>
   %tmp25.i.i = shufflevector <4 x float> %shuffle.i.i.i12, <4 x float> undef, <3 x i32> <i32 0, i32 1, i32 2> 
   %tmp1.i.i = shufflevector <3 x float> %tmp25.i.i, <3 x float> zeroinitializer, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
@@ -42,5 +47,23 @@ entry:
   %shuffle.i.i.i21 = shufflevector <4 x float> %tmp2.i18, <4 x float> undef, <4 x i32> <i32 2, i32 3, i32 2, i32 3>
   store <4 x float> %shuffle.i.i.i21, <4 x float>* %dst
   ret void
+; CHECK: ret
+}
+
+; PR10421: make sure we correctly handle extreme widening with CONCAT_VECTORS
+define <8 x i8> @shuf4(<4 x i8> %a, <4 x i8> %b) nounwind readnone {
+; CHECK: shuf4:
+; CHECK-NOT: punpckldq
+  %vshuf = shufflevector <4 x i8> %a, <4 x i8> %b, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+  ret <8 x i8> %vshuf
+; CHECK: ret
 }
 
+; PR11389: another CONCAT_VECTORS case
+define void @shuf5(<8 x i8>* %p) nounwind {
+; CHECK: shuf5:
+  %v = shufflevector <2 x i8> <i8 4, i8 33>, <2 x i8> undef, <8 x i32> <i32 1, i32 1, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
+  store <8 x i8> %v, <8 x i8>* %p, align 8
+  ret void
+; CHECK: ret
+}