[llvm-commits] CVS: llvm/test/Regression/CodeGen/Generic/vector-identity-shuffle.ll

Chris Lattner lattner at cs.uiuc.edu
Fri Mar 31 14:16:30 PST 2006



Changes in directory llvm/test/Regression/CodeGen/Generic:

vector-identity-shuffle.ll added (r1.1)
---
Log message:

An identity shuffle shouldn't generate any permute code.


---
Diffs of the changes:  (+16 -0)

 vector-identity-shuffle.ll |   16 ++++++++++++++++
 1 files changed, 16 insertions(+)


Index: llvm/test/Regression/CodeGen/Generic/vector-identity-shuffle.ll
diff -c /dev/null llvm/test/Regression/CodeGen/Generic/vector-identity-shuffle.ll:1.1
*** /dev/null	Fri Mar 31 16:16:29 2006
--- llvm/test/Regression/CodeGen/Generic/vector-identity-shuffle.ll	Fri Mar 31 16:16:19 2006
***************
*** 0 ****
--- 1,16 ----
+ ; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g5 | grep _test &&
+ ; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g5 | not grep vperm
+ 
+ void %test(<4 x float> *%tmp2.i) {
+ 	%tmp2.i = load <4x float>* %tmp2.i
+        %xFloat0.48 = extractelement <4 x float> %tmp2.i, uint 0                ; <float> [#uses=1]
+         %inFloat0.49 = insertelement <4 x float> undef, float %xFloat0.48, uint 0               ; <<4 x float>> [#uses=1]
+         %xFloat1.50 = extractelement <4 x float> %tmp2.i, uint 1                ; <float> [#uses=1]
+         %inFloat1.52 = insertelement <4 x float> %inFloat0.49, float %xFloat1.50, uint 1                ; <<4 x float>> [#uses=1]
+         %xFloat2.53 = extractelement <4 x float> %tmp2.i, uint 2                ; <float> [#uses=1]
+         %inFloat2.55 = insertelement <4 x float> %inFloat1.52, float %xFloat2.53, uint 2                ; <<4 x float>> [#uses=1]
+         %xFloat3.56 = extractelement <4 x float> %tmp2.i, uint 3                ; <float> [#uses=1]
+         %inFloat3.58 = insertelement <4 x float> %inFloat2.55, float %xFloat3.56, uint 3                ; <<4 x float>> [#uses=4]
+ 	store <4 x float> %inFloat3.58, <4x float>* %tmp2.i
+ 	ret void
+ }






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