1 files changed, 75 insertions, 0 deletions
diff --git a/test/Transforms/SLPVectorizer/AArch64/commute.ll b/test/Transforms/SLPVectorizer/AArch64/commute.ll
new file mode 100644
index 0000000..4ee91a5
--- /dev/null
+++ b/test/Transforms/SLPVectorizer/AArch64/commute.ll
@@ -0,0 +1,75 @@
+; RUN: opt -S -slp-vectorizer %s | FileCheck %s
+target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
+target triple = "aarch64--linux-gnu"
+
+%structA = type { [2 x float] }
+
+define void @test1(%structA* nocapture readonly %J, i32 %xmin, i32 %ymin) {
+; CHECK-LABEL: test1
+; CHECK: %arrayidx4 = getelementptr inbounds %structA* %J, i64 0, i32 0, i64 0
+; CHECK: %arrayidx9 = getelementptr inbounds %structA* %J, i64 0, i32 0, i64 1
+; CHECK: %3 = bitcast float* %arrayidx4 to <2 x float>*
+; CHECK: %4 = load <2 x float>* %3, align 4
+; CHECK: %5 = fsub fast <2 x float> %2, %4
+; CHECK: %6 = fmul fast <2 x float> %5, %5
+; CHECK: %7 = extractelement <2 x float> %6, i32 0
+; CHECK: %8 = extractelement <2 x float> %6, i32 1
+; CHECK: %add = fadd fast float %7, %8
+; CHECK: %cmp = fcmp oeq float %add, 0.000000e+00
+
+entry:
+  br label %for.body3.lr.ph
+
+for.body3.lr.ph:
+  %conv5 = sitofp i32 %ymin to float
+  %conv = sitofp i32 %xmin to float
+  %arrayidx4 = getelementptr inbounds %structA* %J, i64 0, i32 0, i64 0
+  %0 = load float* %arrayidx4, align 4
+  %sub = fsub fast float %conv, %0
+  %arrayidx9 = getelementptr inbounds %structA* %J, i64 0, i32 0, i64 1
+  %1 = load float* %arrayidx9, align 4
+  %sub10 = fsub fast float %conv5, %1
+  %mul11 = fmul fast float %sub, %sub
+  %mul12 = fmul fast float %sub10, %sub10
+  %add = fadd fast float %mul11, %mul12
+  %cmp = fcmp oeq float %add, 0.000000e+00
+  br i1 %cmp, label %for.body3.lr.ph, label %for.end27
+
+for.end27:
+  ret void
+}
+
+define void @test2(%structA* nocapture readonly %J, i32 %xmin, i32 %ymin) {
+; CHECK-LABEL: test2
+; CHECK: %arrayidx4 = getelementptr inbounds %structA* %J, i64 0, i32 0, i64 0
+; CHECK: %arrayidx9 = getelementptr inbounds %structA* %J, i64 0, i32 0, i64 1
+; CHECK: %3 = bitcast float* %arrayidx4 to <2 x float>*
+; CHECK: %4 = load <2 x float>* %3, align 4
+; CHECK: %5 = fsub fast <2 x float> %2, %4
+; CHECK: %6 = fmul fast <2 x float> %5, %5
+; CHECK: %7 = extractelement <2 x float> %6, i32 0
+; CHECK: %8 = extractelement <2 x float> %6, i32 1
+; CHECK: %add = fadd fast float %8, %7
+; CHECK: %cmp = fcmp oeq float %add, 0.000000e+00
+
+entry:
+  br label %for.body3.lr.ph
+
+for.body3.lr.ph:
+  %conv5 = sitofp i32 %ymin to float
+  %conv = sitofp i32 %xmin to float
+  %arrayidx4 = getelementptr inbounds %structA* %J, i64 0, i32 0, i64 0
+  %0 = load float* %arrayidx4, align 4
+  %sub = fsub fast float %conv, %0
+  %arrayidx9 = getelementptr inbounds %structA* %J, i64 0, i32 0, i64 1
+  %1 = load float* %arrayidx9, align 4
+  %sub10 = fsub fast float %conv5, %1
+  %mul11 = fmul fast float %sub, %sub
+  %mul12 = fmul fast float %sub10, %sub10
+  %add = fadd fast float %mul12, %mul11         ;;;<---- Operands commuted!!
+  %cmp = fcmp oeq float %add, 0.000000e+00
+  br i1 %cmp, label %for.body3.lr.ph, label %for.end27
+
+for.end27:
+  ret void
+}