From 09616565dd41192c745605828b4f51f787a53bcf Mon Sep 17 00:00:00 2001 From: Nadav Rotem Date: Mon, 15 Apr 2013 04:25:27 +0000 Subject: SLPVectorizer: Add support for vectorizing trees that start at compare instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179504 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../Transforms/SLPVectorizer/X86/compare-reduce.ll | 53 ++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 test/Transforms/SLPVectorizer/X86/compare-reduce.ll (limited to 'test/Transforms/SLPVectorizer/X86/compare-reduce.ll') diff --git a/test/Transforms/SLPVectorizer/X86/compare-reduce.ll b/test/Transforms/SLPVectorizer/X86/compare-reduce.ll new file mode 100644 index 0000000..05f8e61 --- /dev/null +++ b/test/Transforms/SLPVectorizer/X86/compare-reduce.ll @@ -0,0 +1,53 @@ +; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s + +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" +target triple = "x86_64-apple-macosx10.7.0" + +@.str = private unnamed_addr constant [6 x i8] c"bingo\00", align 1 + +;CHECK: @reduce_compare +;CHECK: load <2 x double> +;CHECK: fmul <2 x double> +;CHECK: fmul <2 x double> +;CHECK: fadd <2 x double> +;CHECK: extractelement +;CHECK: extractelement +;CHECK: ret +define void @reduce_compare(double* nocapture %A, i32 %n) { +entry: + %conv = sitofp i32 %n to double + br label %for.body + +for.body: ; preds = %for.inc, %entry + %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.inc ] + %0 = shl nsw i64 %indvars.iv, 1 + %arrayidx = getelementptr inbounds double* %A, i64 %0 + %1 = load double* %arrayidx, align 8 + %mul1 = fmul double %conv, %1 + %mul2 = fmul double %mul1, 7.000000e+00 + %add = fadd double %mul2, 5.000000e+00 + %2 = or i64 %0, 1 + %arrayidx6 = getelementptr inbounds double* %A, i64 %2 + %3 = load double* %arrayidx6, align 8 + %mul8 = fmul double %conv, %3 + %mul9 = fmul double %mul8, 4.000000e+00 + %add10 = fadd double %mul9, 9.000000e+00 + %cmp11 = fcmp ogt double %add, %add10 + br i1 %cmp11, label %if.then, label %for.inc + +if.then: ; preds = %for.body + %call = tail call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([6 x i8]* @.str, i64 0, i64 0)) + br label %for.inc + +for.inc: ; preds = %for.body, %if.then + %indvars.iv.next = add i64 %indvars.iv, 1 + %lftr.wideiv = trunc i64 %indvars.iv.next to i32 + %exitcond = icmp eq i32 %lftr.wideiv, 100 + br i1 %exitcond, label %for.end, label %for.body + +for.end: ; preds = %for.inc + ret void +} + +declare i32 @printf(i8* nocapture, ...) + -- cgit v1.1