1 files changed, 47 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/ParallelDSP/smlad10.ll b/llvm/test/CodeGen/ARM/ParallelDSP/smlad10.ll
new file mode 100644
index 00000000000..904b62a6526
--- /dev/null
+++ b/llvm/test/CodeGen/ARM/ParallelDSP/smlad10.ll
@@ -0,0 +1,47 @@
+; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 < %s -arm-parallel-dsp -S | FileCheck %s
+;
+; Reduction statement is an i64 type: we only support i32 so check that the
+; rewrite isn't triggered.
+;
+; CHECK-NOT:  call i32 @llvm.arm.smlad
+;
+define dso_local i64 @test(i64 %arg, i64* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
+entry:
+  %cmp24 = icmp sgt i64 %arg, 0
+  br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
+
+for.body.preheader:
+  %.pre = load i16, i16* %arg3, align 2
+  %.pre27 = load i16, i16* %arg2, align 2
+  br label %for.body
+
+for.cond.cleanup:
+  %mac1.0.lcssa = phi i64 [ 0, %entry ], [ %add11, %for.body ]
+  ret i64 %mac1.0.lcssa
+
+for.body:
+  %mac1.026 = phi i64 [ %add11, %for.body ], [ 0, %for.body.preheader ]
+  %i.025 = phi i64 [ %add, %for.body ], [ 0, %for.body.preheader ]
+  %arrayidx = getelementptr inbounds i16, i16* %arg3, i64 %i.025
+  %0 = load i16, i16* %arrayidx, align 2
+  %add = add nuw nsw i64 %i.025, 1
+  %arrayidx1 = getelementptr inbounds i16, i16* %arg3, i64 %add
+  %1 = load i16, i16* %arrayidx1, align 2
+  %arrayidx3 = getelementptr inbounds i16, i16* %arg2, i64 %i.025
+  %2 = load i16, i16* %arrayidx3, align 2
+  %conv = sext i16 %2 to i64
+  %conv4 = sext i16 %0 to i64
+  %mul = mul nsw i64 %conv, %conv4
+  %arrayidx6 = getelementptr inbounds i16, i16* %arg2, i64 %add
+  %3 = load i16, i16* %arrayidx6, align 2
+  %conv7 = sext i16 %3 to i64
+  %conv8 = sext i16 %1 to i64
+  %mul9 = mul nsw i64 %conv7, %conv8
+  %add10 = add i64 %mul, %mac1.026
+
+  %add11 = add i64 %mul9, %add10
+
+  %exitcond = icmp ne i64 %add, %arg
+  br i1 %exitcond, label %for.body, label %for.cond.cleanup
+}
+