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-rw-r--r--test/Transforms/SLPVectorizer/X86/crash_scheduling.ll47
1 files changed, 47 insertions, 0 deletions
diff --git a/test/Transforms/SLPVectorizer/X86/crash_scheduling.ll b/test/Transforms/SLPVectorizer/X86/crash_scheduling.ll
new file mode 100644
index 0000000..dddc1be
--- /dev/null
+++ b/test/Transforms/SLPVectorizer/X86/crash_scheduling.ll
@@ -0,0 +1,47 @@
+; RUN: opt < %s -basicaa -slp-vectorizer -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7
+
+target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-apple-darwin13.3.0"
+
+define void @_foo(double %p1, double %p2, double %p3) #0 {
+entry:
+ %tab1 = alloca [256 x i32], align 16
+ %tab2 = alloca [256 x i32], align 16
+ br label %bb1
+
+
+bb1:
+ %mul19 = fmul double %p1, 1.638400e+04
+ %mul20 = fmul double %p3, 1.638400e+04
+ %add = fadd double %mul20, 8.192000e+03
+ %mul21 = fmul double %p2, 1.638400e+04
+ ; The SLPVectorizer crashed when scheduling this block after it inserted an
+ ; insertelement instruction (during vectorizing the for.body block) at this position.
+ br label %for.body
+
+for.body:
+ %indvars.iv266 = phi i64 [ 0, %bb1 ], [ %indvars.iv.next267, %for.body ]
+ %t.0259 = phi double [ 0.000000e+00, %bb1 ], [ %add27, %for.body ]
+ %p3.addr.0258 = phi double [ %add, %bb1 ], [ %add28, %for.body ]
+ %vecinit.i.i237 = insertelement <2 x double> undef, double %t.0259, i32 0
+ %x13 = tail call i32 @_xfn(<2 x double> %vecinit.i.i237) #2
+ %arrayidx = getelementptr inbounds [256 x i32]* %tab1, i64 0, i64 %indvars.iv266
+ store i32 %x13, i32* %arrayidx, align 4, !tbaa !4
+ %vecinit.i.i = insertelement <2 x double> undef, double %p3.addr.0258, i32 0
+ %x14 = tail call i32 @_xfn(<2 x double> %vecinit.i.i) #2
+ %arrayidx26 = getelementptr inbounds [256 x i32]* %tab2, i64 0, i64 %indvars.iv266
+ store i32 %x14, i32* %arrayidx26, align 4, !tbaa !4
+ %add27 = fadd double %mul19, %t.0259
+ %add28 = fadd double %mul21, %p3.addr.0258
+ %indvars.iv.next267 = add nuw nsw i64 %indvars.iv266, 1
+ %exitcond = icmp eq i64 %indvars.iv.next267, 256
+ br i1 %exitcond, label %return, label %for.body
+
+return:
+ ret void
+}
+
+declare i32 @_xfn(<2 x double>) #4
+
+!3 = metadata !{metadata !"int", metadata !4, i64 0}
+!4 = metadata !{metadata !3, metadata !3, i64 0}