Changes in directory llvm/test/Transforms/ScalarRepl:
memcpy-from-global.ll added (r1.1)
---
Log message:
new testcase, should be able to eliminate the alloca and memcpy
---
Diffs of the changes: (+33 -0)
memcpy-from-global.ll | 33 +++++++++++++++++++++++++++++++++
1 files changed, 33 insertions(+)
Index: llvm/test/Transforms/ScalarRepl/memcpy-from-global.ll
diff -c /dev/null llvm/test/Transforms/ScalarRepl/memcpy-from-global.ll:1.1
*** /dev/null Wed Apr 25 01:29:44 2007
--- llvm/test/Transforms/ScalarRepl/memcpy-from-global.ll Wed Apr 25
01:29:34 2007
***************
*** 0 ****
--- 1,33 ----
+ ; RUN: llvm-as < %s | opt -scalarrepl | llvm-dis | not grep {call.*memcpy}
+ @C.0.1248 = internal constant [128 x float] [ float -1.000000e+00, float
-1.000000e+00, float -1.000000e+00, float 0.000000e+00, float -1.000000e+00,
float -1.000000e+00, float 0.000000e+00, float -1.000000e+00, float
-1.000000e+00, float -1.000000e+00, float 0.000000e+00, float 1.000000e+00,
float -1.000000e+00, float -1.000000e+00, float 1.000000e+00, float
0.000000e+00, float -1.000000e+00, float 0.000000e+00, float -1.000000e+00,
float -1.000000e+00, float -1.000000e+00, float 0.000000e+00, float
-1.000000e+00, float 1.000000e+00, float -1.000000e+00, float 0.000000e+00,
float 1.000000e+00, float -1.000000e+00, float -1.000000e+00, float
0.000000e+00, float 1.000000e+00, float 1.000000e+00, float -1.000000e+00,
float 1.000000e+00, float -1.000000e+00, float 0.000000e+00, float
-1.000000e+00, float 1.000000e+00, float 0.000000e+00, float -1.000000e+00,
float -1.000000e+00, float 1.000000e+00, float 0.000000e+00, float
1.000000e+00, float -1.000000e+00, float 1.000000e+0!
0, float 1.000000e+00, float 0.000000e+00, float 0.000000e+00, float
-1.000000e+00, float -1.000000e+00, float -1.000000e+00, float 0.000000e+00,
float -1.000000e+00, float -1.000000e+00, float 1.000000e+00, float
0.000000e+00, float -1.000000e+00, float 1.000000e+00, float -1.000000e+00,
float 0.000000e+00, float -1.000000e+00, float 1.000000e+00, float
1.000000e+00, float 1.000000e+00, float -1.000000e+00, float -1.000000e+00,
float 0.000000e+00, float 1.000000e+00, float -1.000000e+00, float
0.000000e+00, float -1.000000e+00, float 1.000000e+00, float -1.000000e+00,
float 0.000000e+00, float 1.000000e+00, float 1.000000e+00, float
-1.000000e+00, float 1.000000e+00, float 0.000000e+00, float 1.000000e+00,
float 0.000000e+00, float -1.000000e+00, float -1.000000e+00, float
1.000000e+00, float 0.000000e+00, float -1.000000e+00, float 1.000000e+00,
float 1.000000e+00, float 0.000000e+00, float 1.000000e+00, float
-1.000000e+00, float 1.000000e+00, float 0.000000e+00, float 1!
.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.0!
00000e+0
0, float -1.000000e+00, float 0.000000e+00, float 1.000000e+00, float
1.000000e+00, float 0.000000e+00, float -1.000000e+00, float 1.000000e+00,
float 1.000000e+00, float 0.000000e+00, float 1.000000e+00, float 1.000000e+00,
float 1.000000e+00, float 1.000000e+00, float 0.000000e+00, float 0.000000e+00,
float 1.000000e+00, float -1.000000e+00, float -1.000000e+00, float
0.000000e+00, float 1.000000e+00, float -1.000000e+00, float 1.000000e+00,
float 0.000000e+00, float 1.000000e+00, float 1.000000e+00, float
-1.000000e+00, float 0.000000e+00, float 1.000000e+00, float 1.000000e+00,
float 1.000000e+00 ], align 32 ; <[128 x float]*> [#uses=1]
+
+ define float @grad4(i32 %hash, float %x, float %y, float %z, float %w) {
+ entry:
+ %lookupTable = alloca [128 x float], align 16 ; <[128 x
float]*> [#uses=5]
+ %lookupTable1 = bitcast [128 x float]* %lookupTable to i8*
; <i8*> [#uses=1]
+ call void @llvm.memcpy.i32( i8* %lookupTable1, i8* bitcast ([128 x
float]* @C.0.1248 to i8*), i32 512, i32 16 )
+ %tmp3 = shl i32 %hash, 2 ; <i32> [#uses=1]
+ %tmp5 = and i32 %tmp3, 124 ; <i32> [#uses=4]
+ %tmp753 = getelementptr [128 x float]* %lookupTable, i32 0, i32 %tmp5
; <float*> [#uses=1]
+ %tmp9 = load float* %tmp753 ; <float> [#uses=1]
+ %tmp11 = mul float %tmp9, %x ; <float> [#uses=1]
+ %tmp13 = add float %tmp11, 0.000000e+00 ; <float> [#uses=1]
+ %tmp17.sum52 = or i32 %tmp5, 1 ; <i32> [#uses=1]
+ %tmp1851 = getelementptr [128 x float]* %lookupTable, i32 0, i32
%tmp17.sum52 ; <float*> [#uses=1]
+ %tmp19 = load float* %tmp1851 ; <float> [#uses=1]
+ %tmp21 = mul float %tmp19, %y ; <float> [#uses=1]
+ %tmp23 = add float %tmp21, %tmp13 ; <float> [#uses=1]
+ %tmp27.sum50 = or i32 %tmp5, 2 ; <i32> [#uses=1]
+ %tmp2849 = getelementptr [128 x float]* %lookupTable, i32 0, i32
%tmp27.sum50 ; <float*> [#uses=1]
+ %tmp29 = load float* %tmp2849 ; <float> [#uses=1]
+ %tmp31 = mul float %tmp29, %z ; <float> [#uses=1]
+ %tmp33 = add float %tmp31, %tmp23 ; <float> [#uses=1]
+ %tmp37.sum48 = or i32 %tmp5, 3 ; <i32> [#uses=1]
+ %tmp3847 = getelementptr [128 x float]* %lookupTable, i32 0, i32
%tmp37.sum48 ; <float*> [#uses=1]
+ %tmp39 = load float* %tmp3847 ; <float> [#uses=1]
+ %tmp41 = mul float %tmp39, %w ; <float> [#uses=1]
+ %tmp43 = add float %tmp41, %tmp33 ; <float> [#uses=1]
+ ret float %tmp43
+ }
+
+ declare void @llvm.memcpy.i32(i8*, i8*, i32, i32)
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