40 lines
1.6 KiB
LLVM
40 lines
1.6 KiB
LLVM
; RUN: opt < %s -cost-model -analyze -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.9.0"
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define i32 @foo(i32* nocapture %A) nounwind uwtable readonly ssp {
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vector.ph:
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br label %vector.body
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vector.body: ; preds = %vector.body, %vector.ph
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%index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
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%vec.phi = phi <2 x i32> [ zeroinitializer, %vector.ph ], [ %12, %vector.body ]
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%0 = getelementptr inbounds i32* %A, i64 %index
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%1 = bitcast i32* %0 to <2 x i32>*
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%2 = load <2 x i32>* %1, align 4
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%3 = sext <2 x i32> %2 to <2 x i64>
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;CHECK: cost of 1 {{.*}} extract
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%4 = extractelement <2 x i64> %3, i32 0
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%5 = getelementptr inbounds i32* %A, i64 %4
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;CHECK: cost of 1 {{.*}} extract
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%6 = extractelement <2 x i64> %3, i32 1
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%7 = getelementptr inbounds i32* %A, i64 %6
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%8 = load i32* %5, align 4
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;CHECK: cost of 1 {{.*}} insert
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%9 = insertelement <2 x i32> undef, i32 %8, i32 0
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%10 = load i32* %7, align 4
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;CHECK: cost of 1 {{.*}} insert
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%11 = insertelement <2 x i32> %9, i32 %10, i32 1
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%12 = add nsw <2 x i32> %11, %vec.phi
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%index.next = add i64 %index, 2
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%13 = icmp eq i64 %index.next, 192
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br i1 %13, label %for.end, label %vector.body
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for.end: ; preds = %vector.body
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%14 = extractelement <2 x i32> %12, i32 0
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%15 = extractelement <2 x i32> %12, i32 1
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%16 = add i32 %14, %15
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ret i32 %16
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}
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