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-rw-r--r--test/Transforms/BBVectorize/X86/simple.ll81
1 files changed, 70 insertions, 11 deletions
diff --git a/test/Transforms/BBVectorize/X86/simple.ll b/test/Transforms/BBVectorize/X86/simple.ll
index d11c9b92f0..0113e38bb1 100644
--- a/test/Transforms/BBVectorize/X86/simple.ll
+++ b/test/Transforms/BBVectorize/X86/simple.ll
@@ -3,25 +3,84 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f3
; Basic depth-3 chain
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
+ %Z1 = fadd double %Y1, %B1
+ %Z2 = fadd double %Y2, %B2
+ %R = fmul double %Z1, %Z2
+ ret double %R
; CHECK: @test1
+; CHECK-NOT: fmul <2 x double>
+; CHECK: ret double %R
+}
+
+; Basic chain
+define double @test1a(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
+ %Z1 = fadd double %Y1, %B1
+ %Z2 = fadd double %Y2, %B2
+ %W1 = fadd double %Y1, %Z1
+ %W2 = fadd double %Y2, %Z2
+ %V1 = fadd double %W1, %Z1
+ %V2 = fadd double %W2, %Z2
+ %Q1 = fadd double %W1, %V1
+ %Q2 = fadd double %W2, %V2
+ %S1 = fadd double %W1, %Q1
+ %S2 = fadd double %W2, %Q2
+ %R = fmul double %S1, %S2
+ ret double %R
+; CHECK: @test1a
; CHECK: %X1.v.i1.1 = insertelement <2 x double> undef, double %B1, i32 0
; CHECK: %X1.v.i1.2 = insertelement <2 x double> %X1.v.i1.1, double %B2, i32 1
; CHECK: %X1.v.i0.1 = insertelement <2 x double> undef, double %A1, i32 0
; CHECK: %X1.v.i0.2 = insertelement <2 x double> %X1.v.i0.1, double %A2, i32 1
+; CHECK: %X1 = fsub <2 x double> %X1.v.i0.2, %X1.v.i1.2
+; CHECK: %Y1 = fmul <2 x double> %X1, %X1.v.i0.2
+; CHECK: %Z1 = fadd <2 x double> %Y1, %X1.v.i1.2
+; CHECK: %W1 = fadd <2 x double> %Y1, %Z1
+; CHECK: %V1 = fadd <2 x double> %W1, %Z1
+; CHECK: %Q1 = fadd <2 x double> %W1, %V1
+; CHECK: %S1 = fadd <2 x double> %W1, %Q1
+; CHECK: %S1.v.r1 = extractelement <2 x double> %S1, i32 0
+; CHECK: %S1.v.r2 = extractelement <2 x double> %S1, i32 1
+; CHECK: %R = fmul double %S1.v.r1, %S1.v.r2
+; CHECK: ret double %R
+}
+
+; Basic depth-3 chain (last pair permuted)
+define double @test2(double %A1, double %A2, double %B1, double %B2) {
%X1 = fsub double %A1, %B1
%X2 = fsub double %A2, %B2
-; CHECK: %X1 = fsub <2 x double> %X1.v.i0.2, %X1.v.i1.2
%Y1 = fmul double %X1, %A1
%Y2 = fmul double %X2, %A2
-; CHECK: %Y1 = fmul <2 x double> %X1, %X1.v.i0.2
- %Z1 = fadd double %Y1, %B1
- %Z2 = fadd double %Y2, %B2
-; CHECK: %Z1 = fadd <2 x double> %Y1, %X1.v.i1.2
+ %Z1 = fadd double %Y2, %B1
+ %Z2 = fadd double %Y1, %B2
+ %R = fmul double %Z1, %Z2
+ ret double %R
+; CHECK: @test2
+; CHECK-NOT: fmul <2 x double>
+; CHECK: ret double %R
+}
+
+; Basic depth-4 chain (internal permutation)
+define double @test4(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
+ %Z1 = fadd double %Y2, %B1
+ %Z2 = fadd double %Y1, %B2
+ %W1 = fadd double %Y2, %Z1
+ %W2 = fadd double %Y1, %Z2
%R = fmul double %Z1, %Z2
-; CHECK: %Z1.v.r1 = extractelement <2 x double> %Z1, i32 0
-; CHECK: %Z1.v.r2 = extractelement <2 x double> %Z1, i32 1
-; CHECK: %R = fmul double %Z1.v.r1, %Z1.v.r2
ret double %R
+; CHECK: @test4
+; CHECK-NOT: fmul <2 x double>
; CHECK: ret double %R
}
@@ -37,8 +96,8 @@ define <8 x i8> @test6(<8 x i8> %A1, <8 x i8> %A2, <8 x i8> %B1, <8 x i8> %B2) {
%Q2 = shufflevector <8 x i8> %Z2, <8 x i8> %Z2, <8 x i32> <i32 6, i32 7, i32 0, i32 1, i32 2, i32 4, i32 4, i32 1>
%R = mul <8 x i8> %Q1, %Q2
ret <8 x i8> %R
-; CHECK-TI: @test6
-; CHECK-TI-NOT: sub <16 x i8>
-; CHECK-TI: ret <8 x i8>
+; CHECK: @test6
+; CHECK-NOT: sub <16 x i8>
+; CHECK: ret <8 x i8>
}