[llvm-commits] CVS: llvm/test/Regression/Transforms/InstCombine/vec_insert_to_shuffle.ll

[Chris Lattner]

Changes in directory llvm/test/Regression/Transforms/InstCombine:

vec_insert_to_shuffle.ll added (r1.1)
---
Log message:

This should turn into one vector shuffle instruction.


---
Diffs of the changes:  (+14 -0)

 vec_insert_to_shuffle.ll |   14 ++++++++++++++
 1 files changed, 14 insertions(+)


Index: llvm/test/Regression/Transforms/InstCombine/vec_insert_to_shuffle.ll
diff -c /dev/null llvm/test/Regression/Transforms/InstCombine/vec_insert_to_shuffle.ll:1.1
*** /dev/null	Thu Apr 27 16:14:08 2006
--- llvm/test/Regression/Transforms/InstCombine/vec_insert_to_shuffle.ll	Thu Apr 27 16:13:58 2006
***************
*** 0 ****
--- 1,14 ----
+ ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep shufflevec | wc -l | grep 1 &&
+ ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep insertelement &&
+ ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep extractelement
+ 
+ <4 x float> %test(<4 x float> %tmp, <4 x float> %tmp1) {
+ 	%tmp4 = extractelement <4 x float> %tmp, uint 1		; <float> [#uses=1]
+ 	%tmp2 = extractelement <4 x float> %tmp, uint 3		; <float> [#uses=1]
+ 	%tmp1 = extractelement <4 x float> %tmp1, uint 0		; <float> [#uses=1]
+ 	%tmp128 = insertelement <4 x float> undef, float %tmp4, uint 0		; <<4 x float>> [#uses=1]
+ 	%tmp130 = insertelement <4 x float> %tmp128, float undef, uint 1		; <<4 x float>> [#uses=1]
+ 	%tmp132 = insertelement <4 x float> %tmp130, float %tmp2, uint 2		; <<4 x float>> [#uses=1]
+ 	%tmp134 = insertelement <4 x float> %tmp132, float %tmp1, uint 3		; <<4 x float>> [#uses=1]
+ 	ret <4 x float> %tmp134
+ }