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1; RUN: opt -mtriple=armv8m.main-none-none-eabi -mattr=+dsp < %s -arm-parallel-dsp -S | FileCheck %s2;3; Muls with operands that are constants: not yet supported, so the rewrite4; should not trigger (but we do want to add this soon).5;6; CHECK-NOT: call i32 @llvm.arm.smlad7;8define dso_local i32 @test(i32 %arg, ptr nocapture readnone %arg1, ptr nocapture readonly %arg2, ptr nocapture readonly %arg3) {9entry:10 %cmp24 = icmp sgt i32 %arg, 011 br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup12 13for.body.preheader:14 %.pre = load i16, ptr %arg3, align 215 %.pre27 = load i16, ptr %arg2, align 216 br label %for.body17 18for.cond.cleanup:19 %mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add11, %for.body ]20 ret i32 %mac1.0.lcssa21 22for.body:23 %mac1.026 = phi i32 [ %add11, %for.body ], [ 0, %for.body.preheader ]24 %i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]25 %add = add nuw nsw i32 %i.025, 126 %arrayidx3 = getelementptr inbounds i16, ptr %arg2, i32 %i.02527 %v2 = load i16, ptr %arrayidx3, align 228 %conv = sext i16 %v2 to i3229 30; RHS operand of this mul is a constant31 %mul = mul nsw i32 %conv, 4332 33 %arrayidx6 = getelementptr inbounds i16, ptr %arg2, i32 %add34 %v3 = load i16, ptr %arrayidx6, align 235 %conv7 = sext i16 %v3 to i3236 37; And this RHS operand is a constant too.38 %mul9 = mul nsw i32 %conv7, 4239 40 %add10 = add i32 %mul, %mac1.02641 %add11 = add i32 %mul9, %add1042 %exitcond = icmp ne i32 %add, %arg43 br i1 %exitcond, label %for.body, label %for.cond.cleanup44}45 46