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-rw-r--r--test/Transforms/BBVectorize/req-depth.ll17
1 files changed, 17 insertions, 0 deletions
diff --git a/test/Transforms/BBVectorize/req-depth.ll b/test/Transforms/BBVectorize/req-depth.ll
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index 0000000000..8c9cc3c188
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+++ b/test/Transforms/BBVectorize/req-depth.ll
@@ -0,0 +1,17 @@
+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"
+; RUN: opt < %s -bb-vectorize -bb-vectorize-req-chain-depth 3 -S | FileCheck %s -check-prefix=CHECK-RD3
+; RUN: opt < %s -bb-vectorize -bb-vectorize-req-chain-depth 2 -S | FileCheck %s -check-prefix=CHECK-RD2
+
+define double @test1(double %A1, double %A2, double %B1, double %B2) {
+ %X1 = fsub double %A1, %B1
+ %X2 = fsub double %A2, %B2
+ %Y1 = fmul double %X1, %A1
+ %Y2 = fmul double %X2, %A2
+ %R = fmul double %Y1, %Y2
+ ret double %R
+; CHECK-RD3: @test1
+; CHECK-RD2: @test1
+; CHECK-RD3-NOT: <2 x double>
+; CHECK-RD2: <2 x double>
+}
+