[llvm-commits] [llvm] r48938 - in /llvm/trunk/test/Transforms/GVN: form-memset.ll form-memset2.ll
Chris Lattner
sabre at nondot.org
Fri Mar 28 21:51:35 PDT 2008
Author: lattner
Date: Fri Mar 28 23:51:35 2008
New Revision: 48938
URL: http://llvm.org/viewvc/llvm-project?rev=48938&view=rev
Log:
add a testcase for forming memset from noncontiguous stores.
Added:
llvm/trunk/test/Transforms/GVN/form-memset2.ll
Modified:
llvm/trunk/test/Transforms/GVN/form-memset.ll
Modified: llvm/trunk/test/Transforms/GVN/form-memset.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/GVN/form-memset.ll?rev=48938&r1=48937&r2=48938&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/GVN/form-memset.ll (original)
+++ llvm/trunk/test/Transforms/GVN/form-memset.ll Fri Mar 28 23:51:35 2008
@@ -1,5 +1,5 @@
; RUN: llvm-as < %s | opt -gvn -form-memset-from-stores | llvm-dis | not grep store
-; RUN: llvm-as < %s | opt -gvn -form-memset-from-stores | llvm-dis | grep llvm.memset
+; RUN: llvm-as < %s | opt -gvn -form-memset-from-stores | llvm-dis | grep {call.*llvm.memset}
; All the stores in this example should be merged into a single memset.
Added: llvm/trunk/test/Transforms/GVN/form-memset2.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/GVN/form-memset2.ll?rev=48938&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/GVN/form-memset2.ll (added)
+++ llvm/trunk/test/Transforms/GVN/form-memset2.ll Fri Mar 28 23:51:35 2008
@@ -0,0 +1,99 @@
+; RUN: llvm-as < %s | opt -gvn -form-memset-from-stores | llvm-dis | not grep store
+; RUN: llvm-as < %s | opt -gvn -form-memset-from-stores | llvm-dis | grep {call.*llvm.memset} | count 3
+
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
+target triple = "i386-apple-darwin8"
+ %struct.MV = type { i16, i16 }
+
+define i32 @t() nounwind {
+entry:
+ %ref_idx = alloca [8 x i8] ; <[8 x i8]*> [#uses=8]
+ %left_mvd = alloca [8 x %struct.MV] ; <[8 x %struct.MV]*> [#uses=17]
+ %up_mvd = alloca [8 x %struct.MV] ; <[8 x %struct.MV]*> [#uses=17]
+ %tmp20 = getelementptr [8 x i8]* %ref_idx, i32 0, i32 7 ; <i8*> [#uses=1]
+ store i8 -1, i8* %tmp20, align 1
+ %tmp23 = getelementptr [8 x i8]* %ref_idx, i32 0, i32 6 ; <i8*> [#uses=1]
+ store i8 -1, i8* %tmp23, align 1
+ %tmp26 = getelementptr [8 x i8]* %ref_idx, i32 0, i32 5 ; <i8*> [#uses=1]
+ store i8 -1, i8* %tmp26, align 1
+ %tmp29 = getelementptr [8 x i8]* %ref_idx, i32 0, i32 4 ; <i8*> [#uses=1]
+ store i8 -1, i8* %tmp29, align 1
+ %tmp32 = getelementptr [8 x i8]* %ref_idx, i32 0, i32 3 ; <i8*> [#uses=1]
+ store i8 -1, i8* %tmp32, align 1
+ %tmp35 = getelementptr [8 x i8]* %ref_idx, i32 0, i32 2 ; <i8*> [#uses=1]
+ store i8 -1, i8* %tmp35, align 1
+ %tmp38 = getelementptr [8 x i8]* %ref_idx, i32 0, i32 1 ; <i8*> [#uses=1]
+ store i8 -1, i8* %tmp38, align 1
+ %tmp41 = getelementptr [8 x i8]* %ref_idx, i32 0, i32 0 ; <i8*> [#uses=2]
+ store i8 -1, i8* %tmp41, align 1
+ %tmp43 = getelementptr [8 x %struct.MV]* %up_mvd, i32 0, i32 7, i32 0 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp43, align 2
+ %tmp46 = getelementptr [8 x %struct.MV]* %up_mvd, i32 0, i32 7, i32 1 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp46, align 2
+ %tmp57 = getelementptr [8 x %struct.MV]* %up_mvd, i32 0, i32 6, i32 0 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp57, align 2
+ %tmp60 = getelementptr [8 x %struct.MV]* %up_mvd, i32 0, i32 6, i32 1 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp60, align 2
+ %tmp71 = getelementptr [8 x %struct.MV]* %up_mvd, i32 0, i32 5, i32 0 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp71, align 2
+ %tmp74 = getelementptr [8 x %struct.MV]* %up_mvd, i32 0, i32 5, i32 1 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp74, align 2
+ %tmp85 = getelementptr [8 x %struct.MV]* %up_mvd, i32 0, i32 4, i32 0 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp85, align 2
+ %tmp88 = getelementptr [8 x %struct.MV]* %up_mvd, i32 0, i32 4, i32 1 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp88, align 2
+ %tmp99 = getelementptr [8 x %struct.MV]* %up_mvd, i32 0, i32 3, i32 0 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp99, align 2
+ %tmp102 = getelementptr [8 x %struct.MV]* %up_mvd, i32 0, i32 3, i32 1 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp102, align 2
+ %tmp113 = getelementptr [8 x %struct.MV]* %up_mvd, i32 0, i32 2, i32 0 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp113, align 2
+ %tmp116 = getelementptr [8 x %struct.MV]* %up_mvd, i32 0, i32 2, i32 1 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp116, align 2
+ %tmp127 = getelementptr [8 x %struct.MV]* %up_mvd, i32 0, i32 1, i32 0 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp127, align 2
+ %tmp130 = getelementptr [8 x %struct.MV]* %up_mvd, i32 0, i32 1, i32 1 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp130, align 2
+ %tmp141 = getelementptr [8 x %struct.MV]* %up_mvd, i32 0, i32 0, i32 0 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp141, align 8
+ %tmp144 = getelementptr [8 x %struct.MV]* %up_mvd, i32 0, i32 0, i32 1 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp144, align 2
+ %tmp148 = getelementptr [8 x %struct.MV]* %left_mvd, i32 0, i32 7, i32 0 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp148, align 2
+ %tmp151 = getelementptr [8 x %struct.MV]* %left_mvd, i32 0, i32 7, i32 1 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp151, align 2
+ %tmp162 = getelementptr [8 x %struct.MV]* %left_mvd, i32 0, i32 6, i32 0 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp162, align 2
+ %tmp165 = getelementptr [8 x %struct.MV]* %left_mvd, i32 0, i32 6, i32 1 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp165, align 2
+ %tmp176 = getelementptr [8 x %struct.MV]* %left_mvd, i32 0, i32 5, i32 0 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp176, align 2
+ %tmp179 = getelementptr [8 x %struct.MV]* %left_mvd, i32 0, i32 5, i32 1 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp179, align 2
+ %tmp190 = getelementptr [8 x %struct.MV]* %left_mvd, i32 0, i32 4, i32 0 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp190, align 2
+ %tmp193 = getelementptr [8 x %struct.MV]* %left_mvd, i32 0, i32 4, i32 1 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp193, align 2
+ %tmp204 = getelementptr [8 x %struct.MV]* %left_mvd, i32 0, i32 3, i32 0 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp204, align 2
+ %tmp207 = getelementptr [8 x %struct.MV]* %left_mvd, i32 0, i32 3, i32 1 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp207, align 2
+ %tmp218 = getelementptr [8 x %struct.MV]* %left_mvd, i32 0, i32 2, i32 0 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp218, align 2
+ %tmp221 = getelementptr [8 x %struct.MV]* %left_mvd, i32 0, i32 2, i32 1 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp221, align 2
+ %tmp232 = getelementptr [8 x %struct.MV]* %left_mvd, i32 0, i32 1, i32 0 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp232, align 2
+ %tmp235 = getelementptr [8 x %struct.MV]* %left_mvd, i32 0, i32 1, i32 1 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp235, align 2
+ %tmp246 = getelementptr [8 x %struct.MV]* %left_mvd, i32 0, i32 0, i32 0 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp246, align 8
+ %tmp249 = getelementptr [8 x %struct.MV]* %left_mvd, i32 0, i32 0, i32 1 ; <i16*> [#uses=1]
+ store i16 0, i16* %tmp249, align 2
+ %up_mvd252 = getelementptr [8 x %struct.MV]* %up_mvd, i32 0, i32 0 ; <%struct.MV*> [#uses=1]
+ %left_mvd253 = getelementptr [8 x %struct.MV]* %left_mvd, i32 0, i32 0 ; <%struct.MV*> [#uses=1]
+ call void @foo( %struct.MV* %up_mvd252, %struct.MV* %left_mvd253, i8* %tmp41 ) nounwind
+ ret i32 undef
+}
+
+declare void @foo(%struct.MV*, %struct.MV*, i8*)
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