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e04fb0a1a7
transforming it into (add (i32 GPR), 4). This allows us to write type generic multi patterns and have tblgen automatically drop the bitconvert in the case when the types align. This allows us to fold an extra load in the changed testcase. llvm-svn: 99756
30 lines
1.2 KiB
LLVM
30 lines
1.2 KiB
LLVM
; RUN: llc < %s -o - -march=x86 -mattr=+mmx | FileCheck %s
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define <1 x i64> @unsigned_add3(<1 x i64>* %a, <1 x i64>* %b, i32 %count) nounwind {
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entry:
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%tmp2942 = icmp eq i32 %count, 0 ; <i1> [#uses=1]
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br i1 %tmp2942, label %bb31, label %bb26
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bb26: ; preds = %bb26, %entry
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; CHECK: movq ({{.*}},8), %mm
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; CHECK: paddq ({{.*}},8), %mm
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; CHECK: paddq %mm{{[0-7]}}, %mm
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%i.037.0 = phi i32 [ 0, %entry ], [ %tmp25, %bb26 ] ; <i32> [#uses=3]
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%sum.035.0 = phi <1 x i64> [ zeroinitializer, %entry ], [ %tmp22, %bb26 ] ; <<1 x i64>> [#uses=1]
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%tmp13 = getelementptr <1 x i64>* %b, i32 %i.037.0 ; <<1 x i64>*> [#uses=1]
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%tmp14 = load <1 x i64>* %tmp13 ; <<1 x i64>> [#uses=1]
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%tmp18 = getelementptr <1 x i64>* %a, i32 %i.037.0 ; <<1 x i64>*> [#uses=1]
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%tmp19 = load <1 x i64>* %tmp18 ; <<1 x i64>> [#uses=1]
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%tmp21 = add <1 x i64> %tmp19, %tmp14 ; <<1 x i64>> [#uses=1]
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%tmp22 = add <1 x i64> %tmp21, %sum.035.0 ; <<1 x i64>> [#uses=2]
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%tmp25 = add i32 %i.037.0, 1 ; <i32> [#uses=2]
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%tmp29 = icmp ult i32 %tmp25, %count ; <i1> [#uses=1]
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br i1 %tmp29, label %bb26, label %bb31
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bb31: ; preds = %bb26, %entry
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%sum.035.1 = phi <1 x i64> [ zeroinitializer, %entry ], [ %tmp22, %bb26 ] ; <<1 x i64>> [#uses=1]
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ret <1 x i64> %sum.035.1
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}
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