1 files changed, 29 insertions, 0 deletions
diff --git a/test/Transforms/BBVectorize/X86/simple-ldstr.ll b/test/Transforms/BBVectorize/X86/simple-ldstr.ll
new file mode 100644
index 0000000..0124399
--- /dev/null
+++ b/test/Transforms/BBVectorize/X86/simple-ldstr.ll
@@ -0,0 +1,29 @@
+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"
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 -bb-vectorize -bb-vectorize-req-chain-depth=3 -instcombine -gvn -S | FileCheck %s
+
+; Simple 3-pair chain with loads and stores
+define void @test1(double* %a, double* %b, double* %c) nounwind uwtable readonly {
+entry:
+  %i0 = load double* %a, align 8
+  %i1 = load double* %b, align 8
+  %mul = fmul double %i0, %i1
+  %arrayidx3 = getelementptr inbounds double* %a, i64 1
+  %i3 = load double* %arrayidx3, align 8
+  %arrayidx4 = getelementptr inbounds double* %b, i64 1
+  %i4 = load double* %arrayidx4, align 8
+  %mul5 = fmul double %i3, %i4
+  store double %mul, double* %c, align 8
+  %arrayidx5 = getelementptr inbounds double* %c, i64 1
+  store double %mul5, double* %arrayidx5, align 8
+  ret void
+; CHECK: @test1
+; CHECK: %i0.v.i0 = bitcast double* %a to <2 x double>*
+; CHECK: %i1.v.i0 = bitcast double* %b to <2 x double>*
+; CHECK: %i0 = load <2 x double>* %i0.v.i0, align 8
+; CHECK: %i1 = load <2 x double>* %i1.v.i0, align 8
+; CHECK: %mul = fmul <2 x double> %i0, %i1
+; CHECK: %0 = bitcast double* %c to <2 x double>*
+; CHECK: store <2 x double> %mul, <2 x double>* %0, align 8
+; CHECK: ret void
+}
+