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-rw-r--r--test/Transforms/SLPVectorizer/X86/compare-reduce.ll53
1 files changed, 53 insertions, 0 deletions
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, ...)
+