forked from OSchip/llvm-project
54 lines
2.2 KiB
LLVM
54 lines
2.2 KiB
LLVM
; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -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-macosx10.7.0"
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@.str = private unnamed_addr constant [6 x i8] c"bingo\00", align 1
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; Uses inside the tree must be scheduled after the corresponding tree bundle.
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;CHECK-LABEL: @in_tree_user(
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;CHECK: load <2 x double>
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;CHECK: fadd <2 x double>
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;CHECK: InTreeUser = fadd
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;CHECK: ret
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define void @in_tree_user(double* nocapture %A, i32 %n) {
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entry:
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%conv = sitofp i32 %n to double
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br label %for.body
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for.body: ; preds = %for.inc, %entry
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%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.inc ]
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%0 = shl nsw i64 %indvars.iv, 1
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%arrayidx = getelementptr inbounds double, double* %A, i64 %0
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%1 = load double, double* %arrayidx, align 8
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%mul1 = fmul double %conv, %1
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%mul2 = fmul double %mul1, 7.000000e+00
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%add = fadd double %mul2, 5.000000e+00
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%InTreeUser = fadd double %add, %add ; <------------------ In tree user.
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%2 = or i64 %0, 1
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%arrayidx6 = getelementptr inbounds double, double* %A, i64 %2
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%3 = load double, double* %arrayidx6, align 8
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%mul8 = fmul double %conv, %3
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%mul9 = fmul double %mul8, 4.000000e+00
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%add10 = fadd double %mul9, 9.000000e+00
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%cmp11 = fcmp ogt double %add, %add10
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br i1 %cmp11, label %if.then, label %for.inc
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if.then: ; preds = %for.body
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%call = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str, i64 0, i64 0))
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br label %for.inc
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for.inc: ; preds = %for.body, %if.then
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%indvars.iv.next = add i64 %indvars.iv, 1
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32
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%exitcond = icmp eq i32 %lftr.wideiv, 100
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.inc
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store double %InTreeUser, double* %A, align 8 ; Avoid dead code elimination of the InTreeUser.
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ret void
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}
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declare i32 @printf(i8* nocapture, ...)
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