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7a0eb91b4c
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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99756 91177308-0d34-0410-b5e6-96231b3b80d8
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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